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P0300 Diagnostic Trouble Code Discussion for February 2014

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
1997 Ford Expedition Eddie Bauer 5.4L Misfire, VIN: 1FMFU18L1V
P0300: . Single chain, no cam phaser. On cylinder contribution screen, the vehicle misfires 30-40 times each cylinder following the firing order. [...].Round and round never stops. At idle or cruise. Threw an ecm and reprogramming because ignition coils and injectors a...
February 03, 2014
2011 Jeep Grand Cherokee Laredo 3.6L Poor Idle Quality, MIL Lamp on VIN: 1J4RR4GG3B
P0300: random missfire. This was first time this car ever came to my shop. Customer reported changing plugs before coming to us. Also car had bad out of round tires.MY tech suspect cracked plug or damage to #2 coil. replaced plugs coil and air filter. clear codes road test all good. ...
February 03, 2014
1997 Oldsmobile Bravada 4.3L misfire VIN: 1GHDT13W7V
P0300: Multiple Cylinder Misfire Detected. This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 rpms.misfire occurs on cylinder 3 and 4 mainly,but have seen all cylinders misfire.And after it warms up good the misfires go away...I have scoped the ignition system and have seen ...
February 03, 2014
1997 Oldsmobile Bravada 4.3L misfire VIN: 1GHDT13W7V
P0300: Multiple Cylinder Misfire Detected. This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 rpms.misfire occurs on cylinder 3 and 4 mainly,but have seen all cylinders misfire.And after it warms up good the misfires go away...I have scoped the ignition system and have seen ...
February 04, 2014
2002 GMC Yukon XL 1500 SLE 5.3L Misfire, MIL Lamp on VIN: 1GKFK16T52
P0300: Multiple Cylinder Misfire Detected. All tune up parts including fuel filter look new and in good condition. It only has misfire on multiple cylinders on fist startup of the day, runs good after warms up. On cold start the short term trims on both cylinders was about 30. After it warms up the sho...
February 05, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 07, 2014
1998 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA33G3W
P0300: Multiple cylinder misfire. This car idles fine but as soon as you accelerate at all the misfire counter on cylinder 3 and 4 exceeds the limit and turns off the injectors on those two cylinders. The misfire recognition on the SDS show zero on the other cylinders and #s 3 and 4 hang aroun...
February 07, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 09, 2014
2011 Lincoln MKT EcoBoost 3.5L Misfire, MIL Lamp on VIN: 2LMHJ5AT3B
P0300: random miss. This damn thing is missing under a part load, light to moderate cruise speeds. it always codes for cyl. 1 but this morning (-23f) it also coded for cyl. 2 ( the counts on mode 6 where virtually nil though). I first swapped the coil and plug from no.1 with no. ...
February 10, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 10, 2014
2004 Mazda 6 i 2.3L Misfire VIN: 1YVFP80C74
P0300: Random Misfire Detected. Ok guys...need some help on this one. Car came in with a misfire on cyl # 2 and 3. Car runs fine when firsat started, but after it warms up, it really starts to misfire. We tested the wire, and they came out good. It has new NGK spark plugs and an aftermarket...
February 13, 2014
2006 Volkswagen Passat 2.0T 2.0L Misfire VIN: WVWAK73C16
P0300: testing and results. Hello and Thanks in advance. I have this Passat 2.0 BPY in the shop with cyl #2 and random misfire codes. Cyl 2 the worst. Thought it was a basic tune up with 4 coils time but nope. After some reading pulled of intake and thought i found the problem with carbo...
February 14, 2014
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 3GNFK16R5X
P0300: Multiple Cylinder Misfire Detected. Vehicle has new plugs, cap, rotor & cam sensor. #3 & #6 cylinders are not working. Injectors are working, both cylinders have spark & compresson, no intake vacuum leaks, EGR valve is working & not stuck. Engine runs good after installing 2 new ...
February 17, 2014
2002 Honda Civic EX 1.7L Misfire
P0300: Random misfire. To all Techs, This Honda Civic has an "intermittent" misfire that seems to occur when driving at highway speed. The "intermittent" misfire occurs when the VETC system is either ON or OFF. I even remove the EGR valve for testing but the misfire ...
February 18, 2014
2001 Chevrolet Suburban 1500 LT 5.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNFK16T21
P0300: Multiple Cylinder Misfire Detected. ... this truck for a while now. I have replaced the spark plugs and wires, done a complete fuel injection service, checked for vacuum leaks, checked compression as well as for possible broken tappets. The truck ran well for about a month and now randomly while...
February 19, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 19, 2014
1999 Toyota Tacoma DLX 3.4L Misfire VIN: 4TAWN72N7X
P0300: Multiple Cylinder Misfire Detected. Under load we have a misfire on cyl. 3 and 4 (codes:PO300, PO303, PO304). I have replaced the air filter, fuel filter, and MAF sensor. I have moved the coils and plugs on both cyl. with no change. I have cleaned the throttle body and checked for vacuum leaks a...
February 19, 2014
2003 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCK21C03
P0300: Random misfire. Car came in from another shop misfire #3 and #4 cylinders. We check compression #1 & #2 100 psi, #3 & #4 150psi. Cylinder leakage test indicated head gasket leak 1 to 2 cylinder. Replaced head gasket. Compression now 150 psi all cylinders. Test driven ...
February 20, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 21, 2014
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire VIN: 1G1AJ15F96
P0300: Multiple Engine Misfire Detected. This car has only 10 inches of vacuum at idle. Plugs, ign.coil and mod. was replaced. Compression is 175 on all cylinders. Removed and clean throttle body to bring down throttle from 36% at idle to 10% at idle. Removed map sensor to check for seating properly....
February 24, 2014
2001 Hyundai Tiburon 2.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KMHJG25F41
P0300: Multiple Misfire Detected. ... will store codes p0300 p0301 p0302 p0304. Will never store a p0303. Drove car last visit and it ran pretty good but somewhat sluggish and had a hesitation on tip-in throttle. Car is back today with same codes and does run quite differently. Has somewhat of...
February 24, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 27, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 07, 2014
1998 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA33G3W
P0300: Multiple cylinder misfire. This car idles fine but as soon as you accelerate at all the misfire counter on cylinder 3 and 4 exceeds the limit and turns off the injectors on those two cylinders. The misfire recognition on the SDS show zero on the other cylinders and #s 3 and 4 hang aroun...
February 07, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 09, 2014
2011 Lincoln MKT EcoBoost 3.5L Misfire, MIL Lamp on VIN: 2LMHJ5AT3B
P0300: random miss. This damn thing is missing under a part load, light to moderate cruise speeds. it always codes for cyl. 1 but this morning (-23f) it also coded for cyl. 2 ( the counts on mode 6 where virtually nil though). I first swapped the coil and plug from no.1 with no. ...
February 10, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 10, 2014
2004 Mazda 6 i 2.3L Misfire VIN: 1YVFP80C74
P0300: Random Misfire Detected. Ok guys...need some help on this one. Car came in with a misfire on cyl # 2 and 3. Car runs fine when firsat started, but after it warms up, it really starts to misfire. We tested the wire, and they came out good. It has new NGK spark plugs and an aftermarket...
February 13, 2014
2006 Volkswagen Passat 2.0T 2.0L Misfire VIN: WVWAK73C16
P0300: testing and results. Hello and Thanks in advance. I have this Passat 2.0 BPY in the shop with cyl #2 and random misfire codes. Cyl 2 the worst. Thought it was a basic tune up with 4 coils time but nope. After some reading pulled of intake and thought i found the problem with carbo...
February 14, 2014
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 3GNFK16R5X
P0300: Multiple Cylinder Misfire Detected. Vehicle has new plugs, cap, rotor & cam sensor. #3 & #6 cylinders are not working. Injectors are working, both cylinders have spark & compresson, no intake vacuum leaks, EGR valve is working & not stuck. Engine runs good after installing 2 new ...
February 17, 2014
2002 Honda Civic EX 1.7L Misfire
P0300: Random misfire. To all Techs, This Honda Civic has an "intermittent" misfire that seems to occur when driving at highway speed. The "intermittent" misfire occurs when the VETC system is either ON or OFF. I even remove the EGR valve for testing but the misfire ...
February 18, 2014
2001 Chevrolet Suburban 1500 LT 5.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNFK16T21
P0300: Multiple Cylinder Misfire Detected. ... this truck for a while now. I have replaced the spark plugs and wires, done a complete fuel injection service, checked for vacuum leaks, checked compression as well as for possible broken tappets. The truck ran well for about a month and now randomly while...
February 19, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 19, 2014
1999 Toyota Tacoma DLX 3.4L Misfire VIN: 4TAWN72N7X
P0300: Multiple Cylinder Misfire Detected. Under load we have a misfire on cyl. 3 and 4 (codes:PO300, PO303, PO304). I have replaced the air filter, fuel filter, and MAF sensor. I have moved the coils and plugs on both cyl. with no change. I have cleaned the throttle body and checked for vacuum leaks a...
February 19, 2014
2003 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCK21C03
P0300: Random misfire. Car came in from another shop misfire #3 and #4 cylinders. We check compression #1 & #2 100 psi, #3 & #4 150psi. Cylinder leakage test indicated head gasket leak 1 to 2 cylinder. Replaced head gasket. Compression now 150 psi all cylinders. Test driven ...
February 20, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 21, 2014
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire VIN: 1G1AJ15F96
P0300: Multiple Engine Misfire Detected. This car has only 10 inches of vacuum at idle. Plugs, ign.coil and mod. was replaced. Compression is 175 on all cylinders. Removed and clean throttle body to bring down throttle from 36% at idle to 10% at idle. Removed map sensor to check for seating properly....
February 24, 2014
2001 Hyundai Tiburon 2.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KMHJG25F41
P0300: Multiple Misfire Detected. ... will store codes p0300 p0301 p0302 p0304. Will never store a p0303. Drove car last visit and it ran pretty good but somewhat sluggish and had a hesitation on tip-in throttle. Car is back today with same codes and does run quite differently. Has somewhat of...
February 24, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 27, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 07, 2014
1998 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA33G3W
P0300: Multiple cylinder misfire. This car idles fine but as soon as you accelerate at all the misfire counter on cylinder 3 and 4 exceeds the limit and turns off the injectors on those two cylinders. The misfire recognition on the SDS show zero on the other cylinders and #s 3 and 4 hang aroun...
February 07, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 09, 2014
2011 Lincoln MKT EcoBoost 3.5L Misfire, MIL Lamp on VIN: 2LMHJ5AT3B
P0300: random miss. This damn thing is missing under a part load, light to moderate cruise speeds. it always codes for cyl. 1 but this morning (-23f) it also coded for cyl. 2 ( the counts on mode 6 where virtually nil though). I first swapped the coil and plug from no.1 with no. ...
February 10, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 10, 2014
2004 Mazda 6 i 2.3L Misfire VIN: 1YVFP80C74
P0300: Random Misfire Detected. Ok guys...need some help on this one. Car came in with a misfire on cyl # 2 and 3. Car runs fine when firsat started, but after it warms up, it really starts to misfire. We tested the wire, and they came out good. It has new NGK spark plugs and an aftermarket...
February 13, 2014
2006 Volkswagen Passat 2.0T 2.0L Misfire VIN: WVWAK73C16
P0300: testing and results. Hello and Thanks in advance. I have this Passat 2.0 BPY in the shop with cyl #2 and random misfire codes. Cyl 2 the worst. Thought it was a basic tune up with 4 coils time but nope. After some reading pulled of intake and thought i found the problem with carbo...
February 14, 2014
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 3GNFK16R5X
P0300: Multiple Cylinder Misfire Detected. Vehicle has new plugs, cap, rotor & cam sensor. #3 & #6 cylinders are not working. Injectors are working, both cylinders have spark & compresson, no intake vacuum leaks, EGR valve is working & not stuck. Engine runs good after installing 2 new ...
February 17, 2014
2002 Honda Civic EX 1.7L Misfire
P0300: Random misfire. To all Techs, This Honda Civic has an "intermittent" misfire that seems to occur when driving at highway speed. The "intermittent" misfire occurs when the VETC system is either ON or OFF. I even remove the EGR valve for testing but the misfire ...
February 18, 2014
2001 Chevrolet Suburban 1500 LT 5.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNFK16T21
P0300: Multiple Cylinder Misfire Detected. ... this truck for a while now. I have replaced the spark plugs and wires, done a complete fuel injection service, checked for vacuum leaks, checked compression as well as for possible broken tappets. The truck ran well for about a month and now randomly while...
February 19, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 19, 2014
1999 Toyota Tacoma DLX 3.4L Misfire VIN: 4TAWN72N7X
P0300: Multiple Cylinder Misfire Detected. Under load we have a misfire on cyl. 3 and 4 (codes:PO300, PO303, PO304). I have replaced the air filter, fuel filter, and MAF sensor. I have moved the coils and plugs on both cyl. with no change. I have cleaned the throttle body and checked for vacuum leaks a...
February 19, 2014
2003 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCK21C03
P0300: Random misfire. Car came in from another shop misfire #3 and #4 cylinders. We check compression #1 & #2 100 psi, #3 & #4 150psi. Cylinder leakage test indicated head gasket leak 1 to 2 cylinder. Replaced head gasket. Compression now 150 psi all cylinders. Test driven ...
February 20, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 21, 2014
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire VIN: 1G1AJ15F96
P0300: Multiple Engine Misfire Detected. This car has only 10 inches of vacuum at idle. Plugs, ign.coil and mod. was replaced. Compression is 175 on all cylinders. Removed and clean throttle body to bring down throttle from 36% at idle to 10% at idle. Removed map sensor to check for seating properly....
February 24, 2014
2001 Hyundai Tiburon 2.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KMHJG25F41
P0300: Multiple Misfire Detected. ... will store codes p0300 p0301 p0302 p0304. Will never store a p0303. Drove car last visit and it ran pretty good but somewhat sluggish and had a hesitation on tip-in throttle. Car is back today with same codes and does run quite differently. Has somewhat of...
February 24, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 27, 2014
1997 Ford Expedition Eddie Bauer 5.4L Misfire, VIN: 1FMFU18L1V
P0300: . Single chain, no cam phaser. On cylinder contribution screen, the vehicle misfires 30-40 times each cylinder following the firing order. [...].Round and round never stops. At idle or cruise. Threw an ecm and reprogramming because ignition coils and injectors a...
February 03, 2014
2011 Jeep Grand Cherokee Laredo 3.6L Poor Idle Quality, MIL Lamp on VIN: 1J4RR4GG3B
P0300: random missfire. This was first time this car ever came to my shop. Customer reported changing plugs before coming to us. Also car had bad out of round tires.MY tech suspect cracked plug or damage to #2 coil. replaced plugs coil and air filter. clear codes road test all good. ...
February 03, 2014
1997 Oldsmobile Bravada 4.3L misfire VIN: 1GHDT13W7V
P0300: Multiple Cylinder Misfire Detected. This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 rpms.misfire occurs on cylinder 3 and 4 mainly,but have seen all cylinders misfire.And after it warms up good the misfires go away...I have scoped the ignition system and have seen ...
February 03, 2014
1997 Oldsmobile Bravada 4.3L misfire VIN: 1GHDT13W7V
P0300: Multiple Cylinder Misfire Detected. This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 rpms.misfire occurs on cylinder 3 and 4 mainly,but have seen all cylinders misfire.And after it warms up good the misfires go away...I have scoped the ignition system and have seen ...
February 04, 2014
2002 GMC Yukon XL 1500 SLE 5.3L Misfire, MIL Lamp on VIN: 1GKFK16T52
P0300: Multiple Cylinder Misfire Detected. All tune up parts including fuel filter look new and in good condition. It only has misfire on multiple cylinders on fist startup of the day, runs good after warms up. On cold start the short term trims on both cylinders was about 30. After it warms up the sho...
February 05, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 07, 2014
1998 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA33G3W
P0300: Multiple cylinder misfire. This car idles fine but as soon as you accelerate at all the misfire counter on cylinder 3 and 4 exceeds the limit and turns off the injectors on those two cylinders. The misfire recognition on the SDS show zero on the other cylinders and #s 3 and 4 hang aroun...
February 07, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 09, 2014
2011 Lincoln MKT EcoBoost 3.5L Misfire, MIL Lamp on VIN: 2LMHJ5AT3B
P0300: random miss. This damn thing is missing under a part load, light to moderate cruise speeds. it always codes for cyl. 1 but this morning (-23f) it also coded for cyl. 2 ( the counts on mode 6 where virtually nil though). I first swapped the coil and plug from no.1 with no. ...
February 10, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 10, 2014
2004 Mazda 6 i 2.3L Misfire VIN: 1YVFP80C74
P0300: Random Misfire Detected. Ok guys...need some help on this one. Car came in with a misfire on cyl # 2 and 3. Car runs fine when firsat started, but after it warms up, it really starts to misfire. We tested the wire, and they came out good. It has new NGK spark plugs and an aftermarket...
February 13, 2014
2006 Volkswagen Passat 2.0T 2.0L Misfire VIN: WVWAK73C16
P0300: testing and results. Hello and Thanks in advance. I have this Passat 2.0 BPY in the shop with cyl #2 and random misfire codes. Cyl 2 the worst. Thought it was a basic tune up with 4 coils time but nope. After some reading pulled of intake and thought i found the problem with carbo...
February 14, 2014
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 3GNFK16R5X
P0300: Multiple Cylinder Misfire Detected. Vehicle has new plugs, cap, rotor & cam sensor. #3 & #6 cylinders are not working. Injectors are working, both cylinders have spark & compresson, no intake vacuum leaks, EGR valve is working & not stuck. Engine runs good after installing 2 new ...
February 17, 2014
2002 Honda Civic EX 1.7L Misfire
P0300: Random misfire. To all Techs, This Honda Civic has an "intermittent" misfire that seems to occur when driving at highway speed. The "intermittent" misfire occurs when the VETC system is either ON or OFF. I even remove the EGR valve for testing but the misfire ...
February 18, 2014
2001 Chevrolet Suburban 1500 LT 5.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNFK16T21
P0300: Multiple Cylinder Misfire Detected. ... this truck for a while now. I have replaced the spark plugs and wires, done a complete fuel injection service, checked for vacuum leaks, checked compression as well as for possible broken tappets. The truck ran well for about a month and now randomly while...
February 19, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 19, 2014
1999 Toyota Tacoma DLX 3.4L Misfire VIN: 4TAWN72N7X
P0300: Multiple Cylinder Misfire Detected. Under load we have a misfire on cyl. 3 and 4 (codes:PO300, PO303, PO304). I have replaced the air filter, fuel filter, and MAF sensor. I have moved the coils and plugs on both cyl. with no change. I have cleaned the throttle body and checked for vacuum leaks a...
February 19, 2014
2003 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCK21C03
P0300: Random misfire. Car came in from another shop misfire #3 and #4 cylinders. We check compression #1 & #2 100 psi, #3 & #4 150psi. Cylinder leakage test indicated head gasket leak 1 to 2 cylinder. Replaced head gasket. Compression now 150 psi all cylinders. Test driven ...
February 20, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 21, 2014
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire VIN: 1G1AJ15F96
P0300: Multiple Engine Misfire Detected. This car has only 10 inches of vacuum at idle. Plugs, ign.coil and mod. was replaced. Compression is 175 on all cylinders. Removed and clean throttle body to bring down throttle from 36% at idle to 10% at idle. Removed map sensor to check for seating properly....
February 24, 2014
2001 Hyundai Tiburon 2.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KMHJG25F41
P0300: Multiple Misfire Detected. ... will store codes p0300 p0301 p0302 p0304. Will never store a p0303. Drove car last visit and it ran pretty good but somewhat sluggish and had a hesitation on tip-in throttle. Car is back today with same codes and does run quite differently. Has somewhat of...
February 24, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 27, 2014
1997 Ford Expedition Eddie Bauer 5.4L Misfire, VIN: 1FMFU18L1V
P0300: . Single chain, no cam phaser. On cylinder contribution screen, the vehicle misfires 30-40 times each cylinder following the firing order. [...].Round and round never stops. At idle or cruise. Threw an ecm and reprogramming because ignition coils and injectors a...
February 03, 2014
2011 Jeep Grand Cherokee Laredo 3.6L Poor Idle Quality, MIL Lamp on VIN: 1J4RR4GG3B
P0300: random missfire. ... to my shop. Customer reported changing plugs before coming to us. Also car had bad out of round tires.MY tech suspect cracked plug or damage to #2 coil. replaced plugs coil and air filter. clear codes road test all good. Three days later check engine light...
February 03, 2014
1997 Oldsmobile Bravada 4.3L misfire VIN: 1GHDT13W7V
P0300: Multiple Cylinder Misfire Detected. This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 rpms.misfire occurs on cylinder 3 and 4 mainly,but have seen all cylinders misfire.And after it warms up good the misfires go away...I have scoped the ignition system and have seen ...
February 03, 2014
1997 Oldsmobile Bravada 4.3L misfire VIN: 1GHDT13W7V
P0300: Multiple Cylinder Misfire Detected. This thing is driving me nuts,has a misfire usually cold,at about 1500 to 2000 rpms.misfire occurs on cylinder 3 and 4 mainly,but have seen all cylinders misfire.And after it warms up good the misfires go away...I have scoped the ignition system and have seen ...
February 04, 2014
2002 GMC Yukon XL 1500 SLE 5.3L Misfire, MIL Lamp on VIN: 1GKFK16T52
P0300: Multiple Cylinder Misfire Detected. All tune up parts including fuel filter look new and in good condition. It only has misfire on multiple cylinders on fist startup of the day, runs good after warms up. On cold start the short term trims on both cylinders was about 30. After it warms up the sho...
February 05, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 07, 2014
1998 Mercedes-Benz S320 SWB 3.2L Misfire VIN: WDBGA33G3W
P0300: Multiple cylinder misfire. This car idles fine but as soon as you accelerate at all the misfire counter on cylinder 3 and 4 exceeds the limit and turns off the injectors on those two cylinders. The misfire recognition on the SDS show zero on the other cylinders and #s 3 and 4 hang aroun...
February 07, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 09, 2014
2011 Lincoln MKT EcoBoost 3.5L Misfire, MIL Lamp on VIN: 2LMHJ5AT3B
P0300: random miss. This damn thing is missing under a part load, light to moderate cruise speeds. it always codes for cyl. 1 but this morning (-23f) it also coded for cyl. 2 ( the counts on mode 6 where virtually nil though). I first swapped the coil and plug from no.1 with no. ...
February 10, 2014
2003 Suzuki XL-7 Touring 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JS3TX92V53
P0300: Multiple Cylinder Misfire Detected. ... my help request. I have this Suzuki XL7, I replaced the valve cover gaskets on and it somehow develop a fuel leak at the fuel rail, 19mm end cap bolts. After repairing the leak the vehicle will not Idle, has multiple misfires and stall. Trouble code P0300 ...
February 10, 2014
2004 Mazda 6 i 2.3L Misfire VIN: 1YVFP80C74
P0300: Random Misfire Detected. Ok guys...need some help on this one. Car came in with a misfire on cyl # 2 and 3. Car runs fine when firsat started, but after it warms up, it really starts to misfire. We tested the wire, and they came out good. It has new NGK spark plugs and an aftermarket...
February 13, 2014
2006 Volkswagen Passat 2.0T 2.0L Misfire VIN: WVWAK73C16
P0300: testing and results. Hello and Thanks in advance. I have this Passat 2.0 BPY in the shop with cyl #2 and random misfire codes. Cyl 2 the worst. Thought it was a basic tune up with 4 coils time but nope. After some reading pulled of intake and thought i found the problem with carbo...
February 14, 2014
1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 3GNFK16R5X
P0300: Multiple Cylinder Misfire Detected. Vehicle has new plugs, cap, rotor & cam sensor. #3 & #6 cylinders are not working. Injectors are working, both cylinders have spark & compresson, no intake vacuum leaks, EGR valve is working & not stuck. Engine runs good after installing 2 new ...
February 17, 2014
2002 Honda Civic EX 1.7L Misfire
P0300: Random misfire. To all Techs, This Honda Civic has an "intermittent" misfire that seems to occur when driving at highway speed. The "intermittent" misfire occurs when the VETC system is either ON or OFF. I even remove the EGR valve for testing but the misfire ...
February 18, 2014
2001 Chevrolet Suburban 1500 LT 5.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNFK16T21
P0300: Multiple Cylinder Misfire Detected. ... this truck for a while now. I have replaced the spark plugs and wires, done a complete fuel injection service, checked for vacuum leaks, checked compression as well as for possible broken tappets. The truck ran well for about a month and now randomly while...
February 19, 2014
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
P0300: Random misfire. Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c...
February 19, 2014
1999 Toyota Tacoma DLX 3.4L Misfire VIN: 4TAWN72N7X
P0300: Multiple Cylinder Misfire Detected. Under load we have a misfire on cyl. 3 and 4 (codes:PO300, PO303, PO304). I have replaced the air filter, fuel filter, and MAF sensor. I have moved the coils and plugs on both cyl. with no change. I have cleaned the throttle body and checked for vacuum leaks a...
February 19, 2014
2003 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCK21C03
P0300: Random misfire. Car came in from another shop misfire #3 and #4 cylinders. We check compression #1 & #2 100 psi, #3 & #4 150psi. Cylinder leakage test indicated head gasket leak 1 to 2 cylinder. Replaced head gasket. Compression now 150 psi all cylinders. Test driven ...
February 20, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 21, 2014
2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality, Misfire VIN: 1G1AJ15F96
P0300: Multiple Engine Misfire Detected. This car has only 10 inches of vacuum at idle. Plugs, ign.coil and mod. was replaced. Compression is 175 on all cylinders. Removed and clean throttle body to bring down throttle from 36% at idle to 10% at idle. Removed map sensor to check for seating properly....
February 24, 2014
2001 Hyundai Tiburon 2.0L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KMHJG25F41
P0300: Multiple Misfire Detected. ... will store codes p0300 p0301 p0302 p0304. Will never store a p0303. Drove car last visit and it ran pretty good but somewhat sluggish and had a hesitation on tip-in throttle. Car is back today with same codes and does run quite differently. Has somewhat of...
February 24, 2014
2005 Chrysler PT Cruiser Classic 2.4L MIL Lamp on VIN: 3C4FY48B65
P0300: Multiple Cylinder Misfire Detected. ... with code p0016,p0300,p0301,and [...] cam sensor,still had misfire codes,replaced ignition coil,car ran great.Delivered car to customer,she called back about 2 hours later saying car was doing the same thing,she brought it b...
February 27, 2014