Join Now
International Automotive Technicians Network

P0300 Diagnostic Trouble Code Discussion for July 2009

Multiple Misfire Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2006 Chevrolet Cobalt LS 2.2L Cuts out, Stall VIN: 1G1AK15F66
P0300: Multiple Engine Misfire Detected. ... gurus... This cobalt intermittantly stalls on acceleration. It has happened to the customer 3 times. All 3 times it was on acceleration from a dead stop and when turning left. IE : stopped in turning lane waiting for hole in traffic to turn left. Opening i...
July 02, 2009
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0300: Random Cylinder Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 02, 2009
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0300: Random Cylinder Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 03, 2009
1997 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52T5V
P0300: Multiple Cylinder Misfire Detected. car came in for a misfire. the original code was the po300. knowing the history with these quad4s i pulled the coil housing down and found that the resistance was quit a bit different from one cylinder to another, so i recommended a new housing then recheck sy...
July 06, 2009
2003 Chevrolet Impala 3.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2G1WF52EX3
P0300: Multiple Cylinder Misfire Detected. ... diagnose his car over the phone cause i wont get a chance to look at it for about a week. He called me about a week ago with misfire, he borrowed a scanner, p0300, he replaced plugs and found one that the ground strap was actually spread open almost 1/4 in...
July 08, 2009
2005 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: IJ4HR48N15
P0300: Multiple Cylinder Misfire Detected. ... chrysler proffessors out there. I have a 05 grand cherokee that originally came in a week ago for a quick "sluggish feeling". Of course when they brought it by it was feeling fine, we drove it off and on for a couple days and still nothing. Though ...
July 08, 2009
2002 Dodge Grand Caravan Sport 3.8L Misfire VIN: 1B8GP443X2
P0300: Multiple Cylinder Misfire Detected. repeat failure of ignition coil circuit 2. cylinder 2 n 5 goes out when this happens. first coil was replaced and ran good for 2 days. came back with same problem and we replaced crank sensor for the hell of it. coil had weak spark coming out of #2, so it was ...
July 09, 2009
2005 Volkswagen Jetta 2.5 2.5L Poor Idle Quality VIN: 3VWRG71K55
P0300: Random Multiple Misfire. First time customer. Engine Code: P1340; Camshaft Position Sensor (G40) / Engine Speed Sensor (G28); Incorrect Correlation. I understand what sets this code, I do not understand why. We have replaced the Camshaft Position Sensor, Mass Air Sensor, Spark Plugs a...
July 09, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0300: Multiple Cylinder Misfire Detected. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 11, 2009
1997 Chevrolet Lumina 3.1L Hesitation, Misfire, MIL Lamp on VIN: 2G1WL52M3V
P0300: Multiple Engine Misfire Detected. ... gasket and intake gasket job the engine has a SLIGHT misfire under a slight load and during decel. Customer first felt misfire in the 50 to 55 mph range under slight load. But I've been able to duplicate it at very slow speeds--5 to 10 mph with the brake s...
July 12, 2009
2004 Ford Ranger Edge 4.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FTZR45E34
P0300: random misfire. truck runs fine most of the time.. on my genisys under component parameters the mis fires are cyl #'s 4,5 ,6 only. smoke test revealed leak at egr diaphram and at throttle shaft on tps side. no other leaks found. i know these have to be fixed but im doubting t...
July 13, 2009
1996 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 2GCEK19R0T
P0300: Multiple Cylinder Misfire Detected. about 2 months ago customer complaint was that the engine was misfiring. We could watch the misfire start on cylinders 5 and 7 then move to 1 and 3 as the vehicle warmed up. Fuel pressure and secondary ignition system are good. compression is good. We replaced...
July 15, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0300: Multiple Cylinder Misfire Detected. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 15, 2009
2007 Chevrolet Malibu LS 2.2L Misfire VIN: 1G1ZS57F37
P0300: Multiple Engine Misfire Detected. ... acceleration usually after rolling through a corner and then accelerating at the apex. Watching the missfire counter on the Tech 2 it racks up missfire counts on Cyl #1 ONLY in left hand turns and missfires on Cyl #4 ONLY on right hand turns. This vehicle ...
July 16, 2009
2004 Jeep Liberty Sport 3.7L Poor Idle Quality, Misfire VIN: 1J4GL48K74
P0300: Multiple Misfire Detected. came in po305, replaced delco plugs with correct ngk plugs, after test drive all good, on cold start 50-80 degrees ambient air temp have idle miss, if bring rpm up until engine warms there will be no miss, either get po300 or po305, or po303, moved coils aroun...
July 16, 2009
2001 Mitsubishi Montero Sport XLS 3.0L Hesitation, Misfire, MIL Lamp on VIN: JA4L531H41
P0300: Random Misfire Detected. ... engine light on and valve covers leaking very bad.It had a p0431 warm up conv. eff. low bank 2,p0421 wanm up conv. eff. low bank 1,p0154 no o2 sens activity b2s1,p0134 no o2 activity b1s1,p0455 evap large leak,p0300 random misfire.I changed all 4 o2 sensor...
July 16, 2009
2001 Toyota Camry CE 2.2L Hesitation, Misfire VIN: 4T1BG22K21
P0300: Multiple Cylinder Misfire Detected. Few hrs from home ses cam,e on and it was po300. They came back next day with a rattle and running bad. Reset timing belt and ran good in bay. Go to take off from lite and it feels like out of time. Pulled cover off and rechecked. Its fine pulled o2 out and ru...
July 16, 2009
1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19RXW
P0300: Multiple Cylinder Misfire Detected. ... soon light on. Codes were p0300 and p0306. The plugs, wires, cap, rotor, were replaced. Checking misfire data on my scan tool afterwards cyl. 6 still would misfire when pick-up ran under 1000 rpm. We then replaced #6 fuel inj. and no change, also replaced ...
July 17, 2009
1999 Chevrolet S10 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCCS14X3X
P0300: Multiple Engine Misfire Detected. AllData, as far as I can tell, has decided not to put information about cars in there product anymore! I could find no resistance-temp chart to test this IAT sensor in the SomeData. :-( Does anyone have a chart? I was also looking up a time belt labor in the ...
July 17, 2009
2001 Chrysler Sebring LXi 2.7L Stall, MIL Lamp on VIN: 1C3EL55U51
P0300: Multiple Cylinder Misfire Detected. ... has been sitting for 4 months. When they try to drive it will stall. Also, the manifold will glow red and sparks are seen. Lower radiator hose and protective shield are damaged due to excessive heat. Customer came wanting front catalytic converter without ...
July 17, 2009
2006 Volkswagen Passat Value Edition 2.0L Poor Idle Quality VIN: WVWGK73C96
P0300: Random misfire. Came to us for maintenance service and check engine light. New Bosch (factory spec) plugs. Because of misfire codes in cylinders #1 & #2 swapped coils with cylinders #3 & #4. After sitting for a while the engine misfires slightly on startup and for 30 ...
July 17, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0300: multiple cyl misfire. ... symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 20, 2009
2003 Dodge Ram 2500 Truck 5.7L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 3D7KU28D03
P0300: Multiple Cylinder Misfire Detected. ... fit. I have 3 scanners, snap-on brick, cheap Auto X-Ray, and OTC Pegysis. Only the Pegysis will communicate (its a dodge). The code that it pulls is P0172 and says it LEAN B1. Im confused about that one. It also will not idle or start without pressig the g...
July 20, 2009
1999 Mercury Villager (Van) Estate 3.3L Stall, Misfire, MIL Lamp on VIN: 4M2XV11T4X
P0300: Random Misfire. ... multiple misfire codes including random misfire and cylinder 3 misfire. Vehicle also stored a bad knock sensor code. Vehicle was checked for vacuum leaks via smoke and it was apparent the intake manifold gasket was no longer sealing. Intake manifold was re...
July 20, 2009
2006 Other GM P Series 6.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 5B4JPD2U86
P0300: Random Mis-fire detection. Thanks in advance for any help. We have this 06 Workhorse chassis with a Gm Drivetrain. We have the MIL on with intermittent communication, also there is only intermittent DTC set with MIL on and/or flashing. Mis-fire counts should cylinders 1,3,5, and 7, only...
July 20, 2009
2002 Volkswagen Beetle Sport 1.8L Misfire VIN: 3VWED21C02
P0300: Random misfire. Assuming misfire codes were turning off injector, setting code Po201. Did not find any thing on code Po201.And when swapping coils, car cleared up and ran fine,only to return with codes back again,but I couldn't get it to act up again. I replaced coil and plug...
July 20, 2009
1999 Chevrolet S10 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCCS14X3X
P0300: Multiple Engine Misfire Detected. AllData, as far as I can tell, has decided not to put information about cars in there product anymore! I could find no resistance-temp chart to test this IAT sensor in the SomeData. :-( Does anyone have a chart? I was also looking up a time belt labor in the ...
July 21, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0300: multiple cyl misfire. ... symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 21, 2009
1999 Volkswagen Jetta GLS 2.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 3VWSA29M0X
P0300: Random misfire. Misfire only happens at 1800 to 2200 rpm at sligt thottle in higher gears. If you goto full throttle the engine pulls ok. Idles ok
July 21, 2009
2005 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: IJ4HR48N15
P0300: Multiple Cylinder Misfire Detected. ... chrysler proffessors out there. I have a 05 grand cherokee that originally came in a week ago for a quick "sluggish feeling". Of course when they brought it by it was feeling fine, we drove it off and on for a couple days and still nothing. Though ...
July 22, 2009
1998 Mazda Protege DX 1.5L Poor Idle Quality, Surge, MIL Lamp on VIN: JM1BC1414W
P0300: Multiple Misfire Detected. ... 0170 ,p 0300 ,p 0421, p1170 faults recorded check for intake leaks and for ignition leaks none found plugs look good new customer could use alittle help thanks
July 22, 2009
1997 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52T5V
P0300: Multiple Cylinder Misfire Detected. car came in for a misfire. the original code was the po300. knowing the history with these quad4s i pulled the coil housing down and found that the resistance was quit a bit different from one cylinder to another, so i recommended a new housing then recheck sy...
July 22, 2009
2006 Volkswagen Passat Value Edition 2.0L Poor Idle Quality VIN: WVWGK73C96
P0300: Random misfire. Came to us for maintenance service and check engine light. New Bosch (factory spec) plugs. Because of misfire codes in cylinders #1 & #2 swapped coils with cylinders #3 & #4. After sitting for a while the engine misfires slightly on startup and for 30 ...
July 22, 2009
2003 Chevrolet Impala 3.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2G1WF52EX3
P0300: Multiple Cylinder Misfire Detected. ... diagnose his car over the phone cause i wont get a chance to look at it for about a week. He called me about a week ago with misfire, he borrowed a scanner, p0300, he replaced plugs and found one that the ground strap was actually spread open almost 1/4 in...
July 23, 2009
1996 Dodge B1500 3.9L MIL Lamp on VIN: 2B6HB21XXT
P0300: Multiple Cylinder Misfire Detected. hey guys. need some help neighbors van,has misfire codes but vehicle does not miss(no loss of performance)the misfires count consistently at 60 -70 mph. cyl #1,3,5 count up to @100 misfirs all other cylinders are ok. as soon as speed comes down misfires are go...
July 23, 2009
1996 Ford Explorer Eddie Bauer 4.0L Misfire VIN: 1FMDU34X8T
P0300: multiple misfire. ... that has a light miss going on all the time. after vehicle has been sitting for awhile with no start. finally towed in for fuel pump n filter. truck started up but had a bad miss. found to #4 injector plugged, so it was replaced along with new plenum gaske...
July 24, 2009
2005 Volkswagen Touareg 3.2L Poor Idle Quality, MIL Lamp on, noise VIN: WVGBG77L75
P0300: Random misfire detected. New customer came in with complaint of noise in engine. Checked underneath hood and heard a noise like a vacuum leak coming from what appeared to be an oil filler cap, but according to the emission label was part of the crankcase ventilation system. It has 2 w...
July 25, 2009
1996 Chevrolet K1500 5.7L Misfire VIN: 1GCEK14R8T
P0300: Multiple Cylinder Misfire Detected. Good afternoon, I have what may be a stupid question but how do you go about verifing a bad injector assy on this Vortec? I have never had to replace one so I want to be sure it is bad. The truck has high misfire counts on cyl 3 and 5. Has some on cyl 6 but ju...
July 27, 2009
2002 Kia Spectra 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: KNAFB12142
P0300: Random Cylinder Misfire Detected. ... car in this condition. The head has been redone, has new timing belt, new cam sensor, one new coil, new spark plugs, new plug wires, all before it got to me. It is sporting two codes P0340 Cam Sensor Malfunction, and a P0300 multiple cylinder misfire, in t...
July 27, 2009
1998 Dodge B1500 3.9L Misfire VIN: 2B7HB11X9W
P0300: Multiple Cylinder Misfire Detected. need help on this one, dodge ramvan 98 3.9l v6 does misfire on cruise on all cylindre especialy on #1-3-5 cyl. change intack gasket because of leak, cam and crank sensor ave been already change from another garage.already clean injector and see them work prope...
July 29, 2009
2006 Saturn Ion-3 2.2L Misfire VIN: 1G8AV15F36
P0300: Random Misfire Detected. has a bad miss on #2&3 cyl. all 4 spark plugs smell of fuel but are dry dont know how to check fire to plugs because the whole coil assy. bolts to top of plugs. How do you check fire to plugs?
July 29, 2009
2003 Toyota Celica GT 1.8L Misfire, MIL Lamp on VIN: JTDDR32T33
P0300: Multiple Cylinder Misfire Detected. get all cylinder misfires when cold,no lean codes ever
July 29, 2009
2001 Volvo V70 T5 2.3L Poor Idle Quality, Misfire VIN: YV1SW53D71
P0300: randum miss fies. need to find out what p1238 is about the volvo dealer here doesnt or will not give me info wants me to bring in car runs decent on excell but at idle is little ruff, double check belt after head install, new plugs and one new coil , double check valve adjustme...
July 29, 2009
2004 Lexus IS300 3.0L Misfire VIN: JTHBD19254
P0300: Multiple Cylinder Misfire Detected. Okay guys so the issue I have is that Ign. coil #3 (closest to the firewall) does not get a ground signal at idle, but when the rpm's are brought up to around 1,200 the signal begins to starts very weak. At 2,000 rpm or more the signal comes on strong just lik...
July 31, 2009
2006 Chevrolet Cobalt LS 2.2L Cuts out, Stall VIN: 1G1AK15F66
P0300: Multiple Engine Misfire Detected. ... gurus... This cobalt intermittantly stalls on acceleration. It has happened to the customer 3 times. All 3 times it was on acceleration from a dead stop and when turning left. IE : stopped in turning lane waiting for hole in traffic to turn left. Opening i...
July 02, 2009
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0300: Random Cylinder Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 02, 2009
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0300: Random Cylinder Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 03, 2009
1997 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52T5V
P0300: Multiple Cylinder Misfire Detected. car came in for a misfire. the original code was the po300. knowing the history with these quad4s i pulled the coil housing down and found that the resistance was quit a bit different from one cylinder to another, so i recommended a new housing then recheck sy...
July 06, 2009
2003 Chevrolet Impala 3.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2G1WF52EX3
P0300: Multiple Cylinder Misfire Detected. ... diagnose his car over the phone cause i wont get a chance to look at it for about a week. He called me about a week ago with misfire, he borrowed a scanner, p0300, he replaced plugs and found one that the ground strap was actually spread open almost 1/4 in...
July 08, 2009
2005 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: IJ4HR48N15
P0300: Multiple Cylinder Misfire Detected. ... chrysler proffessors out there. I have a 05 grand cherokee that originally came in a week ago for a quick "sluggish feeling". Of course when they brought it by it was feeling fine, we drove it off and on for a couple days and still nothing. Though ...
July 08, 2009
2002 Dodge Grand Caravan Sport 3.8L Misfire VIN: 1B8GP443X2
P0300: Multiple Cylinder Misfire Detected. repeat failure of ignition coil circuit 2. cylinder 2 n 5 goes out when this happens. first coil was replaced and ran good for 2 days. came back with same problem and we replaced crank sensor for the hell of it. coil had weak spark coming out of #2, so it was ...
July 09, 2009
2005 Volkswagen Jetta 2.5 2.5L Poor Idle Quality VIN: 3VWRG71K55
P0300: Random Multiple Misfire. First time customer. Engine Code: P1340; Camshaft Position Sensor (G40) / Engine Speed Sensor (G28); Incorrect Correlation. I understand what sets this code, I do not understand why. We have replaced the Camshaft Position Sensor, Mass Air Sensor, Spark Plugs a...
July 09, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0300: Multiple Cylinder Misfire Detected. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 11, 2009
1997 Chevrolet Lumina 3.1L Hesitation, Misfire, MIL Lamp on VIN: 2G1WL52M3V
P0300: Multiple Engine Misfire Detected. ... gasket and intake gasket job the engine has a SLIGHT misfire under a slight load and during decel. Customer first felt misfire in the 50 to 55 mph range under slight load. But I've been able to duplicate it at very slow speeds--5 to 10 mph with the brake s...
July 12, 2009
2004 Ford Ranger Edge 4.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FTZR45E34
P0300: random misfire. truck runs fine most of the time.. on my genisys under component parameters the mis fires are cyl #'s 4,5 ,6 only. smoke test revealed leak at egr diaphram and at throttle shaft on tps side. no other leaks found. i know these have to be fixed but im doubting t...
July 13, 2009
1996 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 2GCEK19R0T
P0300: Multiple Cylinder Misfire Detected. about 2 months ago customer complaint was that the engine was misfiring. We could watch the misfire start on cylinders 5 and 7 then move to 1 and 3 as the vehicle warmed up. Fuel pressure and secondary ignition system are good. compression is good. We replaced...
July 15, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0300: Multiple Cylinder Misfire Detected. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 15, 2009
2007 Chevrolet Malibu LS 2.2L Misfire VIN: 1G1ZS57F37
P0300: Multiple Engine Misfire Detected. ... acceleration usually after rolling through a corner and then accelerating at the apex. Watching the missfire counter on the Tech 2 it racks up missfire counts on Cyl #1 ONLY in left hand turns and missfires on Cyl #4 ONLY on right hand turns. This vehicle ...
July 16, 2009
2004 Jeep Liberty Sport 3.7L Poor Idle Quality, Misfire VIN: 1J4GL48K74
P0300: Multiple Misfire Detected. came in po305, replaced delco plugs with correct ngk plugs, after test drive all good, on cold start 50-80 degrees ambient air temp have idle miss, if bring rpm up until engine warms there will be no miss, either get po300 or po305, or po303, moved coils aroun...
July 16, 2009
2001 Mitsubishi Montero Sport XLS 3.0L Hesitation, Misfire, MIL Lamp on VIN: JA4L531H41
P0300: Random Misfire Detected. ... engine light on and valve covers leaking very bad.It had a p0431 warm up conv. eff. low bank 2,p0421 wanm up conv. eff. low bank 1,p0154 no o2 sens activity b2s1,p0134 no o2 activity b1s1,p0455 evap large leak,p0300 random misfire.I changed all 4 o2 sensor...
July 16, 2009
2001 Toyota Camry CE 2.2L Hesitation, Misfire VIN: 4T1BG22K21
P0300: Multiple Cylinder Misfire Detected. Few hrs from home ses cam,e on and it was po300. They came back next day with a rattle and running bad. Reset timing belt and ran good in bay. Go to take off from lite and it feels like out of time. Pulled cover off and rechecked. Its fine pulled o2 out and ru...
July 16, 2009
1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19RXW
P0300: Multiple Cylinder Misfire Detected. ... soon light on. Codes were p0300 and p0306. The plugs, wires, cap, rotor, were replaced. Checking misfire data on my scan tool afterwards cyl. 6 still would misfire when pick-up ran under 1000 rpm. We then replaced #6 fuel inj. and no change, also replaced ...
July 17, 2009
1999 Chevrolet S10 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCCS14X3X
P0300: Multiple Engine Misfire Detected. AllData, as far as I can tell, has decided not to put information about cars in there product anymore! I could find no resistance-temp chart to test this IAT sensor in the SomeData. :-( Does anyone have a chart? I was also looking up a time belt labor in the ...
July 17, 2009
2001 Chrysler Sebring LXi 2.7L Stall, MIL Lamp on VIN: 1C3EL55U51
P0300: Multiple Cylinder Misfire Detected. ... has been sitting for 4 months. When they try to drive it will stall. Also, the manifold will glow red and sparks are seen. Lower radiator hose and protective shield are damaged due to excessive heat. Customer came wanting front catalytic converter without ...
July 17, 2009
2006 Volkswagen Passat Value Edition 2.0L Poor Idle Quality VIN: WVWGK73C96
P0300: Random misfire. Came to us for maintenance service and check engine light. New Bosch (factory spec) plugs. Because of misfire codes in cylinders #1 & #2 swapped coils with cylinders #3 & #4. After sitting for a while the engine misfires slightly on startup and for 30 ...
July 17, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0300: multiple cyl misfire. ... symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 20, 2009
2003 Dodge Ram 2500 Truck 5.7L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 3D7KU28D03
P0300: Multiple Cylinder Misfire Detected. ... fit. I have 3 scanners, snap-on brick, cheap Auto X-Ray, and OTC Pegysis. Only the Pegysis will communicate (its a dodge). The code that it pulls is P0172 and says it LEAN B1. Im confused about that one. It also will not idle or start without pressig the g...
July 20, 2009
1999 Mercury Villager (Van) Estate 3.3L Stall, Misfire, MIL Lamp on VIN: 4M2XV11T4X
P0300: Random Misfire. ... multiple misfire codes including random misfire and cylinder 3 misfire. Vehicle also stored a bad knock sensor code. Vehicle was checked for vacuum leaks via smoke and it was apparent the intake manifold gasket was no longer sealing. Intake manifold was re...
July 20, 2009
2006 Other GM P Series 6.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 5B4JPD2U86
P0300: Random Mis-fire detection. Thanks in advance for any help. We have this 06 Workhorse chassis with a Gm Drivetrain. We have the MIL on with intermittent communication, also there is only intermittent DTC set with MIL on and/or flashing. Mis-fire counts should cylinders 1,3,5, and 7, only...
July 20, 2009
2002 Volkswagen Beetle Sport 1.8L Misfire VIN: 3VWED21C02
P0300: Random misfire. Assuming misfire codes were turning off injector, setting code Po201. Did not find any thing on code Po201.And when swapping coils, car cleared up and ran fine,only to return with codes back again,but I couldn't get it to act up again. I replaced coil and plug...
July 20, 2009
1999 Chevrolet S10 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCCS14X3X
P0300: Multiple Engine Misfire Detected. AllData, as far as I can tell, has decided not to put information about cars in there product anymore! I could find no resistance-temp chart to test this IAT sensor in the SomeData. :-( Does anyone have a chart? I was also looking up a time belt labor in the ...
July 21, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0300: multiple cyl misfire. ... symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 21, 2009
1999 Volkswagen Jetta GLS 2.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 3VWSA29M0X
P0300: Random misfire. Misfire only happens at 1800 to 2200 rpm at sligt thottle in higher gears. If you goto full throttle the engine pulls ok. Idles ok
July 21, 2009
2005 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: IJ4HR48N15
P0300: Multiple Cylinder Misfire Detected. ... chrysler proffessors out there. I have a 05 grand cherokee that originally came in a week ago for a quick "sluggish feeling". Of course when they brought it by it was feeling fine, we drove it off and on for a couple days and still nothing. Though ...
July 22, 2009
1998 Mazda Protege DX 1.5L Poor Idle Quality, Surge, MIL Lamp on VIN: JM1BC1414W
P0300: Multiple Misfire Detected. ... 0170 ,p 0300 ,p 0421, p1170 faults recorded check for intake leaks and for ignition leaks none found plugs look good new customer could use alittle help thanks
July 22, 2009
1997 Pontiac Grand Am SE 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52T5V
P0300: Multiple Cylinder Misfire Detected. car came in for a misfire. the original code was the po300. knowing the history with these quad4s i pulled the coil housing down and found that the resistance was quit a bit different from one cylinder to another, so i recommended a new housing then recheck sy...
July 22, 2009
2006 Volkswagen Passat Value Edition 2.0L Poor Idle Quality VIN: WVWGK73C96
P0300: Random misfire. Came to us for maintenance service and check engine light. New Bosch (factory spec) plugs. Because of misfire codes in cylinders #1 & #2 swapped coils with cylinders #3 & #4. After sitting for a while the engine misfires slightly on startup and for 30 ...
July 22, 2009
2003 Chevrolet Impala 3.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2G1WF52EX3
P0300: Multiple Cylinder Misfire Detected. ... diagnose his car over the phone cause i wont get a chance to look at it for about a week. He called me about a week ago with misfire, he borrowed a scanner, p0300, he replaced plugs and found one that the ground strap was actually spread open almost 1/4 in...
July 23, 2009
1996 Dodge B1500 3.9L MIL Lamp on VIN: 2B6HB21XXT
P0300: Multiple Cylinder Misfire Detected. hey guys. need some help neighbors van,has misfire codes but vehicle does not miss(no loss of performance)the misfires count consistently at 60 -70 mph. cyl #1,3,5 count up to @100 misfirs all other cylinders are ok. as soon as speed comes down misfires are go...
July 23, 2009
1996 Ford Explorer Eddie Bauer 4.0L Misfire VIN: 1FMDU34X8T
P0300: multiple misfire. ... that has a light miss going on all the time. after vehicle has been sitting for awhile with no start. finally towed in for fuel pump n filter. truck started up but had a bad miss. found to #4 injector plugged, so it was replaced along with new plenum gaske...
July 24, 2009
2005 Volkswagen Touareg 3.2L Poor Idle Quality, MIL Lamp on, noise VIN: WVGBG77L75
P0300: Random misfire detected. New customer came in with complaint of noise in engine. Checked underneath hood and heard a noise like a vacuum leak coming from what appeared to be an oil filler cap, but according to the emission label was part of the crankcase ventilation system. It has 2 w...
July 25, 2009
1996 Chevrolet K1500 5.7L Misfire VIN: 1GCEK14R8T
P0300: Multiple Cylinder Misfire Detected. Good afternoon, I have what may be a stupid question but how do you go about verifing a bad injector assy on this Vortec? I have never had to replace one so I want to be sure it is bad. The truck has high misfire counts on cyl 3 and 5. Has some on cyl 6 but ju...
July 27, 2009
2002 Kia Spectra 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: KNAFB12142
P0300: Random Cylinder Misfire Detected. ... car in this condition. The head has been redone, has new timing belt, new cam sensor, one new coil, new spark plugs, new plug wires, all before it got to me. It is sporting two codes P0340 Cam Sensor Malfunction, and a P0300 multiple cylinder misfire, in t...
July 27, 2009
1998 Dodge B1500 3.9L Misfire VIN: 2B7HB11X9W
P0300: Multiple Cylinder Misfire Detected. need help on this one, dodge ramvan 98 3.9l v6 does misfire on cruise on all cylindre especialy on #1-3-5 cyl. change intack gasket because of leak, cam and crank sensor ave been already change from another garage.already clean injector and see them work prope...
July 29, 2009
2006 Saturn Ion-3 2.2L Misfire VIN: 1G8AV15F36
P0300: Random Misfire Detected. has a bad miss on #2&3 cyl. all 4 spark plugs smell of fuel but are dry dont know how to check fire to plugs because the whole coil assy. bolts to top of plugs. How do you check fire to plugs?
July 29, 2009
2003 Toyota Celica GT 1.8L Misfire, MIL Lamp on VIN: JTDDR32T33
P0300: Multiple Cylinder Misfire Detected. get all cylinder misfires when cold,no lean codes ever
July 29, 2009
2001 Volvo V70 T5 2.3L Poor Idle Quality, Misfire VIN: YV1SW53D71
P0300: randum miss fies. need to find out what p1238 is about the volvo dealer here doesnt or will not give me info wants me to bring in car runs decent on excell but at idle is little ruff, double check belt after head install, new plugs and one new coil , double check valve adjustme...
July 29, 2009
2004 Lexus IS300 3.0L Misfire VIN: JTHBD19254
P0300: Multiple Cylinder Misfire Detected. Okay guys so the issue I have is that Ign. coil #3 (closest to the firewall) does not get a ground signal at idle, but when the rpm's are brought up to around 1,200 the signal begins to starts very weak. At 2,000 rpm or more the signal comes on strong just lik...
July 31, 2009