Join Now
International Automotive Technicians Network

P0300 Diagnostic Trouble Code Discussion for November 2008

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
1998 Acura NSX 3.2L Misfire, MIL Lamp on VIN: JH4NA216XW
P0300: Multiple Misfire Detected. Hello Every one! This car has me stumped although I can find limited information on the ignition control module and the spark detection module? I am suspecting the computer drivers since the firing order is in that sequence (4-2)The Crankshaft/camshaft positio...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0300: Random Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 03, 2008
2002 BMW 540i 4.4L Stall, MIL Lamp on VIN: WBADN6342G
P0300: random misfire. bmw tech, please help. we recently did a trans service. car came back with service enine light on. customer complaint about car shaking yesterday, but we cannot duplicate any problem at this time. 5dtcs in engine contorl system. pull out coil-no oil contanimed...
November 03, 2008
2002 Chevrolet MedDutyTruck 5.7L MIL Lamp on VIN: 4KLB4B1R02
P0300: random misfire. This truck came to us from a fleet's own shop where they had just installed an aftermarket reman engine. The other engine had broken the crankshaft. This engine came with the oil pan and front cover installed. On the first test drive they got a flashing check ...
November 03, 2008
2001 Mazda Miata 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM1NB35301
P0300: Random Misfire Detected. the last time the car came in we did a compression check, (150 psi all) cylinder leak test (slight leak by rings) smoke check (replace leaking egr valve, recheck coil and spark plug wires, exhaust cam timing off one tooth,(reset cam timing, after resetting cam...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0300: Random Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 04, 2008
1999 Chevrolet Corvette 5.7L Hesitation, Stall, Misfire VIN: 1G1YY22G1Y
P0300: Multiple Engine Misfire Detected. hello every one this is what i got. i have a vette that is missfiring on all cylinders .# 4 the worst .we replaced the coil and crank sensor and tried a mass air flow and no differance .it sometimes stalls in reverse and it did have a low idle. i cleaned the t...
November 05, 2008
2007 Dodge Charger 2.7L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2B3KA43R97
P0300: Multiple Cylinder Misfire. ... that it would not go pass 50mi. with gas pedal to the floor.The gas tank was almost empty so i put some fuel in the tank cleared the codes test drove the car everything seemed fine. I stomped the pedal too the floor and the MIL light is flashing and i have...
November 05, 2008
1999 Honda Prelude 2.2L Misfire, MIL Lamp on VIN: JHMBB6144X
P0300: Multiple Misfire Detected. here's a nice one. have this car which another shop gave up on. has a DEAD miss only when hot cyl #1. here's what i've done so far. plugs (o.e.m.), wires, checked but not replaced distributor (common for shaft wearing) different cap - ruled out spark. pressure...
November 05, 2008
2001 Lexus RX300 3.0L Misfire VIN: JTJHF10U31
P0300: Random miss-fire. ... engine miss-fires p0300 303,304,305 and vsc light is on. a slight skip can be felt under load. checked all grounds around intake plenum. spark plugs are correct p/n and appear to be fairly new. cleared codes. only codes that return under load are p0300, 30...
November 05, 2008
2002 Chevrolet Express 3500 5.7L Misfire, MIL Lamp on VIN: 1GBHG31RX2
P0300: Multiple Cylinder Misfire Detected. ... issues.they put on a new coil,new ign. module,new distributor.cleaned all grounds.problem is it is hard to get it started.know what i have done.check powers&grounds with a headlight brite lit. substitute coil,module,cap.still same problem.so i quoted a...
November 06, 2008
2004 Nissan Maxima SL 3.5L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1N4BA41E74
P0300: Multiple Misfire Detected. engine was replaced. car ran great up to the point it spun bearings and put hole in block. replacement used engine now won't rev above 2500 rpm . when it does it starts to lose power and act like it has low fuel or plugged converters. don't know much about nis...
November 06, 2008
1996 Buick Roadmaster Collector's Edition 5.7L Misfire VIN: 1G4BN52P0T
P0300: Multiple Engine Misfire Detected. Customers car came in for a no start. Customer replaced plugs and wires. We found distributer cap corroded and fuel pump was weak. Replaced distributer cap and rotor and fuel pump. Now Engine runs, but has misfire under load. Seems ok during idle. Once it is p...
November 07, 2008
2001 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEC19T5M
P0300: Multiple Cylinder Misfire Detected. ... COMPLAINT WAS MIL ILLUMINATED. CODES P0300 & P0753 IN HISTORY, AND RESET AFTER TEST DRIVE. I'D LIKE TO DISCUSS THE CONDITIONS FOR CODE P0300. ON OUR MODIS WE CAN SEE A HISTORY OF MULTIPLE MISFIRES ON ALL 8 CYLINDERS, BUT #...
November 07, 2008
2000 Dodge Intrepid 2.7L MIL Lamp on VIN: 2B3HD46R4Y
P0300: Multiple Cylinder Misfire Detected. Could use some advise on this one. Check Engine light comes back on after 100 miles.
November 08, 2008
2004 Chevrolet Express 3500 6.0L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCHG39U14
P0300: Multiple Cylinder Misfire Detected. this van has been a bit of a problem child for quite some time now...what it does is mostly cold open loop u start the van it runs good no problems what so ever u put it in gear it starts to gallop and missfire it may even stall. if you drive with both feet it...
November 10, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0300: Random Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 10, 2008
2002 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y62
P0300: Engine Misfire Detected. ... that we service.initially vehicle came in for mil lamp on with noticable miss on two cylinders.found coil towers cracked on both banks.replaced coils and plug boots.now at idle with no run problems,clean idle(very smooth idle)cylinders no#1&6 misfire c...
November 11, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0300: Random Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 11, 2008
1998 Chevrolet Astro 4.3L Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEL19W1W
P0300: Multiple Cylinder Misfire Detected. Under light accel about 20-30kph engine will hesitate almost always. This problem seems to be at a particular throttle position. For this reason we have chaged both TPS and MAF, with no change. Fuel pressure is at 53@ idle and 58@ snap throttle. I have not exp...
November 12, 2008
1998 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7FL26X0W
P0300: Multiple Cylinder Misfire Detected. Vehicle came back with mil light on and above codes, removed left cylinderhead ran solvent in ports solvent dripped out slowly out exhaust ports, ok fine ordered new replacement head from chrysler solvent tested ok prior to install, put together vehicle is now...
November 12, 2008
2002 Nissan Altima 2.5L Misfire VIN: 1N4AL11D12
P0300: Multiple Misfire Detected. Hello fellow techs. This car went to the dealer for a check engine light,a missfire complaint and a recall dealing with a stalling/hard restart that would be remedied by a reflash and a new crank sensor.They told her they could not do the recall because it ha...
November 12, 2008
2001 Cadillac Catera 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: W06VR54R11
P0300: Multiple Cylinder Misfire Detected. once communication was restore with the trans. module after replacing the ebtcm once the car is started and running, all be it poorly the transmission mil light comes on and the computer stores a p1700.
November 13, 2008
2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, MIL Lamp on VIN: 1GNDT13W4Y
P0300: Multiple Cylinder Misfire Detected. car came to us with miss at idle we throughed everything we could think of in it. we got acdelco cap and rotor, ac plugs, ran compression check 150 lbs each cyl. runs great off idle, with scanner hooked up watching data all looks good. after changing spider th...
November 13, 2008
2002 Volkswagen Jetta GLS 1.8L Hesitation, Surge, Cuts out VIN: 3VWSE69M62
P0300: . VW Techs, this one is becoming annoying. This car has a "lag" or a holding back feeling just off idle to approx. 15-20% throttle. Once the turbo kicks in or at a higher throttle request this car SCREAMS! Its more noticeable at times, but is always ther...
November 13, 2008
1996 Chevrolet Blazer 4.3L Misfire VIN: 1GNDT13W6T
P0300: Multiple Cylinder Misfire Detected. car was brought to us from used car lot with missfire and running bad problem. they had put a used engine in it and could not get it to run right. new plugs,wires,cap,rotor. they had also replaced the injector spider assmy. the missfire seems to go from one ba...
November 14, 2008
2000 Mercedes-Benz ML430 4.3L Misfire VIN: WDCAB72E2Y
P0300: misfire damages twc. This car had before problems with cyl 8 injector being shutted-off because misfiring code. Engine was disassembled and we found a bent rod on cyl 8. Obviusly a hydrolock happend sometime probably because a leaking injetor. Changed piston/rod and assembled en...
November 14, 2008
2002 GMC Savana 1500 4.3L Misfire, MIL Lamp on VIN: 1GTFG15W32
P0300: Multiple Cylinder Misfire Detected. This van came in with the check engine light on and the owner said the light comes on when cruising at 55 mph and the check engine light comes on and flashes at this speed on the highway.Van has new ignition parts.Looked at misfire data when problem happens an...
November 16, 2008
2005 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Misfire, MIL Lamp on, Hard Start VIN: 1GCEC14X85
P0300: Multiple Cylinder Misfire Detected. Ok guys I have this Two wheel drive chevy that runs rich on both banks. This is a newer 4.3 that is a returnless fuel injection system.It set a random misfire code and all of the listed codes. Looking at the history it has missed on all cylinders but the the b...
November 18, 2008
2006 Chevrolet Tahoe Z71 5.3L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEC13Z26
P0300: Multiple Cylinder Misfire Detected. Concern is intermitant. When it occurs, engine develops a bad miss and misfires are indicated on Cyls. 1,3,5,7 in decreasing numerical order respectively. (5465,545,394,296) Injector pulse width at normal idle B1=3.57 mS, B2=3.49 mS. IPW when misfiring B1=5.63...
November 18, 2008
1997 Pontiac Sunfire SE 2.2L Excessive Emissions, Misfire, VIN: 3G2JB524VS
P0300: Multiple Engine Misfire Detected. vehicle failed smog test due to mil on. had random misfires on all cylinders. sputtered in park until rpm reaches about 3300, then smoothes out and rpm increases to 3900. ease up on gas and then rpm drops and starts sputtering again. scan tool shows that timin...
November 18, 2008
2005 Chrysler PT Cruiser Touring 2.4L Cuts out, Misfire, MIL Lamp on VIN: 3C4FY58B55
P0300: Multiple Cylinder Misfire Detected. ... up in shop. tested 5v ref signal and ground circuit to all related components. checked waveform pattern of crank and cam sensors. also wiggled and tapped on components per diag flow chart with no results. Freeze frame data is very confusing as all values...
November 19, 2008
2005 Chrysler 300 (Car) C 5.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on, ETC VIN: 2C3AAG3H05
P0300: Multi Cylinder Misfire. Intermittently our customer describes having the Electronic Throttle Control warning and the MIL come on and the car starts idling poorly and almost stalling. Problem is hard to duplicate in the shop for testing although I did notice that the Acc sensor seeme...
November 19, 2008
2001 GMC Jimmy SLE 4.3L Misfire VIN: 1GKDT13W81
P0300: Multiple Cylinder Misfire Detected. ... before, this jimmy came in with a p0300 code and slight rough running all the time, lots of mew parts, misfire mostly on cyl 4 , checked wires, plugs, fuel pressure, customer decided to change injectors instead of cleaning. Ran much smoother but when rpms ...
November 19, 2008
1997 Pontiac Sunfire SE 2.2L Excessive Emissions, Misfire, VIN: 3G2JB524VS
P0300: Multiple Engine Misfire Detected. vehicle failed smog test due to mil on. had random misfires on all cylinders. sputtered in park until rpm reaches about 3300, then smoothes out and rpm increases to 3900. ease up on gas and then rpm drops and starts sputtering again. scan tool shows that timin...
November 19, 2008
2002 GMC Savana 1500 4.3L Misfire, MIL Lamp on VIN: 1GTFG15W32
P0300: Multiple Cylinder Misfire Detected. This van came in with the check engine light on and the owner said the light comes on when cruising at 55 mph and the check engine light comes on and flashes at this speed on the highway.Van has new ignition parts.Looked at misfire data when problem happens an...
November 20, 2008
1998 Chevrolet Cavalier Z24 2.4L Poor Idle Quality, Misfire VIN: 1G1JF12T6W
P0300: Multiple Engine Misfire Detected. ... water pump installed at another garage. It has a code P0300 Multiple cylinder misfire in it. On my scanner all cylinders are skipping. Car runs fine on road, but has a rough idle, customer said everything was fine until she had the water pump installed. Do...
November 24, 2008
2001 Chevrolet Blazer LS 4.3L Misfire VIN: 1GNDT13W71
P0300: Multiple Cylinder Misfire Detected. This my parents vehicle, they took it to the dealership for the check engine light being on. They said it had a crankshaft code and replaced the crankshaft sensor. My dad picked it up and was driving home and the check engine light came on & then started f...
November 24, 2008
2006 Chevrolet Colorado LT 2.8L Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCCS14896
P0300: Engine Misfire Detected. Hello all, I have picked a new account with colorado delivery trucks. They have 3 trucks with same symptoms and po106 and po300 codes. The trucks range in mileage from 81,000 to 150,000. All have 2.8 engines. This truck is the only one with a po014 code. My co...
November 24, 2008
1996 Jaguar XJS 2+2 4.0L Hesitation, Surge, Misfire VIN: SAJNX2741T
P0300: Random misfire. hi jag techs, this jaguar came in our shop about a month ago with codes for a bad air mass meter and the vehicle was running full rich. We replaced the plugs and air mass with a re-manned unit from world-pac of which i am none too impressed with the quality of...
November 24, 2008
2000 Jaguar XJ8 4.0L Misfire, MIL Lamp on VIN: SAJDA14C8Y
P0300: p0301p0302p0303p0304 multiple cylinder misfire. Jaguar techs please help!!! Vehicle runs horribly rough & lacks power. Here's what we know so far: -Compression test shows Left bank (drivers) all cylinders approx 30 psi lower than right bank (Right all cyl approx 140 psi Left all cyl approx 110 psi)**No ...
November 24, 2008
1999 Chevrolet Corvette 5.7L Hesitation, Stall, Misfire VIN: 1G1YY22G1Y
P0300: Multiple Engine Misfire Detected. hello every one this is what i got. i have a vette that is missfiring on all cylinders .# 4 the worst .we replaced the coil and crank sensor and tried a mass air flow and no differance .it sometimes stalls in reverse and it did have a low idle. i cleaned the t...
November 25, 2008
2004 Chrysler 300M 3.5L Excessive Emissions, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 2C3HE66GO4
P0300: Multiple Cylinder Misfire Detected. We've scanned this 300m the first time yesterday and it had the PO132 and the PO300 codes in it. we watched the 1/1 and 1/2 O2 sensors and decided to change them both out. the front one was showing a voltage of 3.45v and the rear one was staying right about 2....
November 25, 2008
2002 GMC Sierra 1500 SL 5.3L Misfire VIN: 2GTEK19T22
P0300: Multiple Cylinder Misfire Detected. ... proper protocal please let me no.I work in a shop that deals with primarily Fords,but I am currently dealing with a 2002 Gmc sierra 1/2 ton pick up with a 5.3L vin# [...] engine light began to flash and the truck loses power and runs rough.I pulled the cod...
November 25, 2008
1996 Jaguar XJS 2+2 4.0L Hesitation, Surge, Misfire VIN: SAJNX2741T
P0300: Random misfire. hi jag techs, this jaguar came in our shop about a month ago with codes for a bad air mass meter and the vehicle was running full rich. We replaced the plugs and air mass with a re-manned unit from world-pac of which i am none too impressed with the quality of...
November 25, 2008
1996 Plymouth Breeze 2.0L Misfire, MIL Lamp on VIN: 1P3EJ46CXT
P0300: Multiple Cylinder Misfire Detected. Timimg belt has been replaced, crankshaft sensor, camshaft sensor,and coil has been replaced You can not feel a misfire I have look at wave on cam and crankshaft sensors they look good Im thinking the computor needs flashed Thanks in advance I need help Ray
November 25, 2008
1997 GMC Yukon SLE 5.7L Pinging / SparkKnock VIN: 1GKEK13R3V
P0300: Multiple Cylinder Misfire Detected. ... reasonably constant, suspected EGR problem... Note: MIL lamp was disabled (NOT HERE!) and is not functioning! 1)Checked for codes found; P1870 TCC slip & p0300... Scan data shows aprox.250-290 rpm tcc slip (high gear with 90% duty cycle at 55 mph) s...
November 26, 2008
1998 Chevrolet Astro 4.3L Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEL19W1W
P0300: Multiple Cylinder Misfire Detected. Under light accel about 20-30kph engine will hesitate almost always. This problem seems to be at a particular throttle position. For this reason we have chaged both TPS and MAF, with no change. Fuel pressure is at 53@ idle and 58@ snap throttle. I have not exp...
November 27, 2008
1998 Acura NSX 3.2L Misfire, MIL Lamp on VIN: JH4NA216XW
P0300: Multiple Misfire Detected. Hello Every one! This car has me stumped although I can find limited information on the ignition control module and the spark detection module? I am suspecting the computer drivers since the firing order is in that sequence (4-2)The Crankshaft/camshaft positio...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0300: Random Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 03, 2008
2002 BMW 540i 4.4L Stall, MIL Lamp on VIN: WBADN6342G
P0300: random misfire. bmw tech, please help. we recently did a trans service. car came back with service enine light on. customer complaint about car shaking yesterday, but we cannot duplicate any problem at this time. 5dtcs in engine contorl system. pull out coil-no oil contanimed...
November 03, 2008
2002 Chevrolet MedDutyTruck 5.7L MIL Lamp on VIN: 4KLB4B1R02
P0300: random misfire. This truck came to us from a fleet's own shop where they had just installed an aftermarket reman engine. The other engine had broken the crankshaft. This engine came with the oil pan and front cover installed. On the first test drive they got a flashing check ...
November 03, 2008
2001 Mazda Miata 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM1NB35301
P0300: Random Misfire Detected. the last time the car came in we did a compression check, (150 psi all) cylinder leak test (slight leak by rings) smoke check (replace leaking egr valve, recheck coil and spark plug wires, exhaust cam timing off one tooth,(reset cam timing, after resetting cam...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0300: Random Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 04, 2008
1999 Chevrolet Corvette 5.7L Hesitation, Stall, Misfire VIN: 1G1YY22G1Y
P0300: Multiple Engine Misfire Detected. hello every one this is what i got. i have a vette that is missfiring on all cylinders .# 4 the worst .we replaced the coil and crank sensor and tried a mass air flow and no differance .it sometimes stalls in reverse and it did have a low idle. i cleaned the t...
November 05, 2008
2007 Dodge Charger 2.7L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2B3KA43R97
P0300: Multiple Cylinder Misfire. ... that it would not go pass 50mi. with gas pedal to the floor.The gas tank was almost empty so i put some fuel in the tank cleared the codes test drove the car everything seemed fine. I stomped the pedal too the floor and the MIL light is flashing and i have...
November 05, 2008
1999 Honda Prelude 2.2L Misfire, MIL Lamp on VIN: JHMBB6144X
P0300: Multiple Misfire Detected. here's a nice one. have this car which another shop gave up on. has a DEAD miss only when hot cyl #1. here's what i've done so far. plugs (o.e.m.), wires, checked but not replaced distributor (common for shaft wearing) different cap - ruled out spark. pressure...
November 05, 2008
2001 Lexus RX300 3.0L Misfire VIN: JTJHF10U31
P0300: Random miss-fire. ... engine miss-fires p0300 303,304,305 and vsc light is on. a slight skip can be felt under load. checked all grounds around intake plenum. spark plugs are correct p/n and appear to be fairly new. cleared codes. only codes that return under load are p0300, 30...
November 05, 2008
2002 Chevrolet Express 3500 5.7L Misfire, MIL Lamp on VIN: 1GBHG31RX2
P0300: Multiple Cylinder Misfire Detected. ... issues.they put on a new coil,new ign. module,new distributor.cleaned all grounds.problem is it is hard to get it started.know what i have done.check powers&grounds with a headlight brite lit. substitute coil,module,cap.still same problem.so i quoted a...
November 06, 2008
2004 Nissan Maxima SL 3.5L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1N4BA41E74
P0300: Multiple Misfire Detected. engine was replaced. car ran great up to the point it spun bearings and put hole in block. replacement used engine now won't rev above 2500 rpm . when it does it starts to lose power and act like it has low fuel or plugged converters. don't know much about nis...
November 06, 2008
1996 Buick Roadmaster Collector's Edition 5.7L Misfire VIN: 1G4BN52P0T
P0300: Multiple Engine Misfire Detected. Customers car came in for a no start. Customer replaced plugs and wires. We found distributer cap corroded and fuel pump was weak. Replaced distributer cap and rotor and fuel pump. Now Engine runs, but has misfire under load. Seems ok during idle. Once it is p...
November 07, 2008
2001 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEC19T5M
P0300: Multiple Cylinder Misfire Detected. ... COMPLAINT WAS MIL ILLUMINATED. CODES P0300 & P0753 IN HISTORY, AND RESET AFTER TEST DRIVE. I'D LIKE TO DISCUSS THE CONDITIONS FOR CODE P0300. ON OUR MODIS WE CAN SEE A HISTORY OF MULTIPLE MISFIRES ON ALL 8 CYLINDERS, BUT #...
November 07, 2008
2000 Dodge Intrepid 2.7L MIL Lamp on VIN: 2B3HD46R4Y
P0300: Multiple Cylinder Misfire Detected. Could use some advise on this one. Check Engine light comes back on after 100 miles.
November 08, 2008
2004 Chevrolet Express 3500 6.0L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCHG39U14
P0300: Multiple Cylinder Misfire Detected. this van has been a bit of a problem child for quite some time now...what it does is mostly cold open loop u start the van it runs good no problems what so ever u put it in gear it starts to gallop and missfire it may even stall. if you drive with both feet it...
November 10, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0300: Random Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 10, 2008
2002 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y62
P0300: Engine Misfire Detected. ... that we service.initially vehicle came in for mil lamp on with noticable miss on two cylinders.found coil towers cracked on both banks.replaced coils and plug boots.now at idle with no run problems,clean idle(very smooth idle)cylinders no#1&6 misfire c...
November 11, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0300: Random Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 11, 2008
1998 Chevrolet Astro 4.3L Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEL19W1W
P0300: Multiple Cylinder Misfire Detected. Under light accel about 20-30kph engine will hesitate almost always. This problem seems to be at a particular throttle position. For this reason we have chaged both TPS and MAF, with no change. Fuel pressure is at 53@ idle and 58@ snap throttle. I have not exp...
November 12, 2008
1998 Dodge Dakota 3.9L MIL Lamp on VIN: 1B7FL26X0W
P0300: Multiple Cylinder Misfire Detected. Vehicle came back with mil light on and above codes, removed left cylinderhead ran solvent in ports solvent dripped out slowly out exhaust ports, ok fine ordered new replacement head from chrysler solvent tested ok prior to install, put together vehicle is now...
November 12, 2008
2002 Nissan Altima 2.5L Misfire VIN: 1N4AL11D12
P0300: Multiple Misfire Detected. Hello fellow techs. This car went to the dealer for a check engine light,a missfire complaint and a recall dealing with a stalling/hard restart that would be remedied by a reflash and a new crank sensor.They told her they could not do the recall because it ha...
November 12, 2008
2001 Cadillac Catera 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: W06VR54R11
P0300: Multiple Cylinder Misfire Detected. once communication was restore with the trans. module after replacing the ebtcm once the car is started and running, all be it poorly the transmission mil light comes on and the computer stores a p1700.
November 13, 2008
2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, MIL Lamp on VIN: 1GNDT13W4Y
P0300: Multiple Cylinder Misfire Detected. car came to us with miss at idle we throughed everything we could think of in it. we got acdelco cap and rotor, ac plugs, ran compression check 150 lbs each cyl. runs great off idle, with scanner hooked up watching data all looks good. after changing spider th...
November 13, 2008
2002 Volkswagen Jetta GLS 1.8L Hesitation, Surge, Cuts out VIN: 3VWSE69M62
P0300: . VW Techs, this one is becoming annoying. This car has a "lag" or a holding back feeling just off idle to approx. 15-20% throttle. Once the turbo kicks in or at a higher throttle request this car SCREAMS! Its more noticeable at times, but is always ther...
November 13, 2008
1996 Chevrolet Blazer 4.3L Misfire VIN: 1GNDT13W6T
P0300: Multiple Cylinder Misfire Detected. car was brought to us from used car lot with missfire and running bad problem. they had put a used engine in it and could not get it to run right. new plugs,wires,cap,rotor. they had also replaced the injector spider assmy. the missfire seems to go from one ba...
November 14, 2008
2000 Mercedes-Benz ML430 4.3L Misfire VIN: WDCAB72E2Y
P0300: misfire damages twc. This car had before problems with cyl 8 injector being shutted-off because misfiring code. Engine was disassembled and we found a bent rod on cyl 8. Obviusly a hydrolock happend sometime probably because a leaking injetor. Changed piston/rod and assembled en...
November 14, 2008
2002 GMC Savana 1500 4.3L Misfire, MIL Lamp on VIN: 1GTFG15W32
P0300: Multiple Cylinder Misfire Detected. This van came in with the check engine light on and the owner said the light comes on when cruising at 55 mph and the check engine light comes on and flashes at this speed on the highway.Van has new ignition parts.Looked at misfire data when problem happens an...
November 16, 2008
2005 Chevrolet Silverado 1500 4.3L Poor Idle Quality, Misfire, MIL Lamp on, Hard Start VIN: 1GCEC14X85
P0300: Multiple Cylinder Misfire Detected. Ok guys I have this Two wheel drive chevy that runs rich on both banks. This is a newer 4.3 that is a returnless fuel injection system.It set a random misfire code and all of the listed codes. Looking at the history it has missed on all cylinders but the the b...
November 18, 2008
2006 Chevrolet Tahoe Z71 5.3L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEC13Z26
P0300: Multiple Cylinder Misfire Detected. Concern is intermitant. When it occurs, engine develops a bad miss and misfires are indicated on Cyls. 1,3,5,7 in decreasing numerical order respectively. (5465,545,394,296) Injector pulse width at normal idle B1=3.57 mS, B2=3.49 mS. IPW when misfiring B1=5.63...
November 18, 2008
1997 Pontiac Sunfire SE 2.2L Excessive Emissions, Misfire, VIN: 3G2JB524VS
P0300: Multiple Engine Misfire Detected. vehicle failed smog test due to mil on. had random misfires on all cylinders. sputtered in park until rpm reaches about 3300, then smoothes out and rpm increases to 3900. ease up on gas and then rpm drops and starts sputtering again. scan tool shows that timin...
November 18, 2008
2005 Chrysler PT Cruiser Touring 2.4L Cuts out, Misfire, MIL Lamp on VIN: 3C4FY58B55
P0300: Multiple Cylinder Misfire Detected. ... up in shop. tested 5v ref signal and ground circuit to all related components. checked waveform pattern of crank and cam sensors. also wiggled and tapped on components per diag flow chart with no results. Freeze frame data is very confusing as all values...
November 19, 2008
2005 Chrysler 300 (Car) C 5.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on, ETC VIN: 2C3AAG3H05
P0300: Multi Cylinder Misfire. Intermittently our customer describes having the Electronic Throttle Control warning and the MIL come on and the car starts idling poorly and almost stalling. Problem is hard to duplicate in the shop for testing although I did notice that the Acc sensor seeme...
November 19, 2008
2001 GMC Jimmy SLE 4.3L Misfire VIN: 1GKDT13W81
P0300: Multiple Cylinder Misfire Detected. ... before, this jimmy came in with a p0300 code and slight rough running all the time, lots of mew parts, misfire mostly on cyl 4 , checked wires, plugs, fuel pressure, customer decided to change injectors instead of cleaning. Ran much smoother but when rpms ...
November 19, 2008
1997 Pontiac Sunfire SE 2.2L Excessive Emissions, Misfire, VIN: 3G2JB524VS
P0300: Multiple Engine Misfire Detected. vehicle failed smog test due to mil on. had random misfires on all cylinders. sputtered in park until rpm reaches about 3300, then smoothes out and rpm increases to 3900. ease up on gas and then rpm drops and starts sputtering again. scan tool shows that timin...
November 19, 2008
2002 GMC Savana 1500 4.3L Misfire, MIL Lamp on VIN: 1GTFG15W32
P0300: Multiple Cylinder Misfire Detected. This van came in with the check engine light on and the owner said the light comes on when cruising at 55 mph and the check engine light comes on and flashes at this speed on the highway.Van has new ignition parts.Looked at misfire data when problem happens an...
November 20, 2008
1998 Chevrolet Cavalier Z24 2.4L Poor Idle Quality, Misfire VIN: 1G1JF12T6W
P0300: Multiple Engine Misfire Detected. ... water pump installed at another garage. It has a code P0300 Multiple cylinder misfire in it. On my scanner all cylinders are skipping. Car runs fine on road, but has a rough idle, customer said everything was fine until she had the water pump installed. Do...
November 24, 2008
2001 Chevrolet Blazer LS 4.3L Misfire VIN: 1GNDT13W71
P0300: Multiple Cylinder Misfire Detected. This my parents vehicle, they took it to the dealership for the check engine light being on. They said it had a crankshaft code and replaced the crankshaft sensor. My dad picked it up and was driving home and the check engine light came on & then started f...
November 24, 2008
2006 Chevrolet Colorado LT 2.8L Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCCS14896
P0300: Engine Misfire Detected. Hello all, I have picked a new account with colorado delivery trucks. They have 3 trucks with same symptoms and po106 and po300 codes. The trucks range in mileage from 81,000 to 150,000. All have 2.8 engines. This truck is the only one with a po014 code. My co...
November 24, 2008
1996 Jaguar XJS 2+2 4.0L Hesitation, Surge, Misfire VIN: SAJNX2741T
P0300: Random misfire. hi jag techs, this jaguar came in our shop about a month ago with codes for a bad air mass meter and the vehicle was running full rich. We replaced the plugs and air mass with a re-manned unit from world-pac of which i am none too impressed with the quality of...
November 24, 2008
2000 Jaguar XJ8 4.0L Misfire, MIL Lamp on VIN: SAJDA14C8Y
P0300: p0301p0302p0303p0304 multiple cylinder misfire. Jaguar techs please help!!! Vehicle runs horribly rough & lacks power. Here's what we know so far: -Compression test shows Left bank (drivers) all cylinders approx 30 psi lower than right bank (Right all cyl approx 140 psi Left all cyl approx 110 psi)**No ...
November 24, 2008
1999 Chevrolet Corvette 5.7L Hesitation, Stall, Misfire VIN: 1G1YY22G1Y
P0300: Multiple Engine Misfire Detected. hello every one this is what i got. i have a vette that is missfiring on all cylinders .# 4 the worst .we replaced the coil and crank sensor and tried a mass air flow and no differance .it sometimes stalls in reverse and it did have a low idle. i cleaned the t...
November 25, 2008
2004 Chrysler 300M 3.5L Excessive Emissions, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 2C3HE66GO4
P0300: Multiple Cylinder Misfire Detected. We've scanned this 300m the first time yesterday and it had the PO132 and the PO300 codes in it. we watched the 1/1 and 1/2 O2 sensors and decided to change them both out. the front one was showing a voltage of 3.45v and the rear one was staying right about 2....
November 25, 2008
2002 GMC Sierra 1500 SL 5.3L Misfire VIN: 2GTEK19T22
P0300: Multiple Cylinder Misfire Detected. ... proper protocal please let me no.I work in a shop that deals with primarily Fords,but I am currently dealing with a 2002 Gmc sierra 1/2 ton pick up with a 5.3L vin# [...] engine light began to flash and the truck loses power and runs rough.I pulled the cod...
November 25, 2008
1996 Jaguar XJS 2+2 4.0L Hesitation, Surge, Misfire VIN: SAJNX2741T
P0300: Random misfire. hi jag techs, this jaguar came in our shop about a month ago with codes for a bad air mass meter and the vehicle was running full rich. We replaced the plugs and air mass with a re-manned unit from world-pac of which i am none too impressed with the quality of...
November 25, 2008
1996 Plymouth Breeze 2.0L Misfire, MIL Lamp on VIN: 1P3EJ46CXT
P0300: Multiple Cylinder Misfire Detected. Timimg belt has been replaced, crankshaft sensor, camshaft sensor,and coil has been replaced You can not feel a misfire I have look at wave on cam and crankshaft sensors they look good Im thinking the computor needs flashed Thanks in advance I need help Ray
November 25, 2008
1997 GMC Yukon SLE 5.7L Pinging / SparkKnock VIN: 1GKEK13R3V
P0300: Multiple Cylinder Misfire Detected. ... reasonably constant, suspected EGR problem... Note: MIL lamp was disabled (NOT HERE!) and is not functioning! 1)Checked for codes found; P1870 TCC slip & p0300... Scan data shows aprox.250-290 rpm tcc slip (high gear with 90% duty cycle at 55 mph) s...
November 26, 2008
1998 Chevrolet Astro 4.3L Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEL19W1W
P0300: Multiple Cylinder Misfire Detected. Under light accel about 20-30kph engine will hesitate almost always. This problem seems to be at a particular throttle position. For this reason we have chaged both TPS and MAF, with no change. Fuel pressure is at 53@ idle and 58@ snap throttle. I have not exp...
November 27, 2008