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P0300 Diagnostic Trouble Code Discussion for October 2011

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2005 Ford Taurus SE 3.0L Surge, Stall VIN: 1FAFP53U95
P0300: Multiple cylinder misfire. Grab a cup of coffee, this may take a while... This new customer comes in with the engine barely running. Her brother replaced spark plugs. After smoking the engine we found the o-ring for the air diverter motor was hard and causing a major vacuum leak. Replac...
October 05, 2011
2001 Volkswagen Jetta GLX 2.8L Misfire, MIL Lamp on VIN: WVWTG61J51
P0300: Random Multiple Misfire. This Jetta VR6 wagon came to us a few months back with the complaint of running rough and the check engine light flashing. A bad intake switching valve was diagnosed and replaced. It still has a bit of the noise, but the valve works properly. It came back two ...
October 05, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0300: Random Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 10, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0300: Random Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 11, 2011
2004 Suzuki Verona S 2.5L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KL5VM52L34
P0300: Multiple Cylinder Misfire Detected. Thank you for any help with this. And yes all of those codes were stored when it came in. Ok it came in for a jerking/bucking. when driving if you drive below 10 mph car would stall but start back up. Finally the dash and tail lights are not working... Ok figu...
October 11, 2011
2003 Honda Accord EX 2.4L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1HGCM56643
P0300: Random Misfire Detected. we had a honda towed in for a no start.. scanned it for codes and got the listed codes. i erased the codes and got the car to start but it runs really bad and will only stay running if you leave your foot on the gas. by the time i got it in the shop it had res...
October 12, 2011
2004 Suzuki Verona S 2.5L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KL5VM52L34
P0300: Multiple Cylinder Misfire Detected. Thank you for any help with this. And yes all of those codes were stored when it came in. Ok it came in for a jerking/bucking. when driving if you drive below 10 mph car would stall but start back up. Finally the dash and tail lights are not working... Ok figu...
October 12, 2011
2003 Kia Sorento EX 3.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: KNDJD73333
P0300: Multiple Misfire Detected. I have ensured the timing marks are good and also replaced the negative battery terminal connector since it was loose on the vehicle. Now, I checked the side of the motor where the misfires are so that I can ensure there is nothing wrong with that catalytic, ...
October 17, 2011
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWMD63823
P0300: Random misfire. Customer brought car in with complaint of running poorly, almost shutting off and flashing check engine light. I pulled the codes and with the 0171 and misfires on all cylinders, I sort of ruled out one or two bad coils. It also had code 0507 but there wasn't...
October 17, 2011
2003 Chevrolet Trailblazer LT 4.2L Misfire VIN: 1GNDT13523
P0300: Multiple Engine Misfire Detected. I have 2 problems with this POS most importantly it misses at an idle and occasionally at speed(customer "thinks it misses at speed" could be very slight or not at all). We cleaned the fuel rail and thought we made an improvement so we tried a set of i...
October 22, 2011
2005 Chevrolet Silverado 2500 HD 6.0L Misfire VIN: 1GCHK23U95
P0300: Multiple Engine Misfire Detected. Hope to find some help...05 chev has single misfire on cyl 5 at idle ,reach 1500-2000 rpm them #1,6,8 start..# 5 and 8 are the most frequent...plugs been checked..coils checked and swapped with no change ..have tried cleaner for injectors and have just finishe...
October 24, 2011
1998 Audi A6 Quattro 2.8L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: WAUBA24BXW
P0300: Random multiple misfire. OK this one I'm uncertain of. This Audi has a Cyl 1-3 misfire and a shorted cam sensor code. I ran a compression test on the vehicle and was surprised to find cyl 1-3 had less than 10 psi and cyl 4-6 had over 140. I was curious if anyone knows if a bad cam sen...
October 25, 2011
2002 Ford Taurus SE 3.0L Poor Idle Quality, MIL Lamp on VIN: 1FAHP53UO2
P0300: Random miss. Hi all car came in with a surge-miss at idle. They had it at another shop for same problem, they replaced plugs wires coil pack with no change at idle. Battery was dead so no codes-replaced cable ends charged battery went on test drive to confirm problem, surg...
October 25, 2011
1998 Chevrolet C3500 Silverado 5.7L Hesitation, Cuts out, Stall VIN: 1GBGC34R9W
P0300: Multiple Cylinder Misfire Detected. This truck is very well maintained and is driven nicely, not abused. On Accelleration, at full throttle, at about 40-45 mph it will start to bog really bad. Starts to knock and miss fire. It will keep running bad until you pull over and let it idle. It will re...
October 26, 2011
2004 Mercedes-Benz E320 3.2L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WDBUF65J14
P0300: random/multiple misfire. Have this vehicle that sees a misfire under WOT request at which point the affected cylinder injectors are cut-off causing lack of acceleration and a rough idle. Upon restart vehicle runs fine until WOT request at which point the same thing happens. I can get ...
October 26, 2011
2001 Chevrolet S10 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCDT19W51
P0300: Multiple Engine Misfire Detected. ... local dealer. They had a reman long block installed,previous engine overheated. New ignition parts. They also installed a new IAC Valve. The truck idles rough hence the P0300. It has OEM ignition parts. Fuel pressure good, compression good. Smoke tested th...
October 27, 2011
2002 Chevrolet Blazer LS 4.3L Misfire, MIL Lamp on VIN: 1GNCT18W52
P0300: Multiple Cylinder Misfire Detected. Hey Fellow Techs. This blazer will set P0300 every road test. Class A Miss Fire so Check engine light is flashing during cruise. Vehicle runs great do not feel any misfire during cruise. Counters on scanner say #4 and #1 the worse. Replaced plugs,cap,rotor,wir...
October 27, 2011
1994 Lexus ES300 3.0L Excessive Emissions, Misfire VIN: JT8GK13TXR
P0300: Random misfire. to the best group of people in the field(kissin up never hurts), i have a 94 lexus es300 from another shop here that has intermittant misfire on cyls. 1 3 5, according to modis. Havent been able to duplicate problem. the other guys replaced plugs with autolite...
October 27, 2011
2002 Chevrolet Silverado 2500 6.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCHK29U72
P0300: Multiple Cylinder Misfire Detected. I am overlooking something,I have spark, injector pulse and compression yet a dead miss on both cylinders 2 & 7 which by the way are fired consecutivly,7 then 2 in the firing order.My next step is to swap injectors 2 & 4 and see if miss follows injecto...
October 29, 2011
1999 Mazda Miata 10th Anniversary 1.8L Misfire VIN: JM1NB3535X
P0300: Random Misfire Detected. this vehichle came in new plugs wires plugs black has anybody ran into this
October 31, 2011
2005 Ford Taurus SE 3.0L Surge, Stall VIN: 1FAFP53U95
P0300: Multiple cylinder misfire. Grab a cup of coffee, this may take a while... This new customer comes in with the engine barely running. Her brother replaced spark plugs. After smoking the engine we found the o-ring for the air diverter motor was hard and causing a major vacuum leak. Replac...
October 05, 2011
2001 Volkswagen Jetta GLX 2.8L Misfire, MIL Lamp on VIN: WVWTG61J51
P0300: Random Multiple Misfire. This Jetta VR6 wagon came to us a few months back with the complaint of running rough and the check engine light flashing. A bad intake switching valve was diagnosed and replaced. It still has a bit of the noise, but the valve works properly. It came back two ...
October 05, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0300: Random Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 10, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0300: Random Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 11, 2011
2004 Suzuki Verona S 2.5L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KL5VM52L34
P0300: Multiple Cylinder Misfire Detected. Thank you for any help with this. And yes all of those codes were stored when it came in. Ok it came in for a jerking/bucking. when driving if you drive below 10 mph car would stall but start back up. Finally the dash and tail lights are not working... Ok figu...
October 11, 2011
2003 Honda Accord EX 2.4L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1HGCM56643
P0300: Random Misfire Detected. we had a honda towed in for a no start.. scanned it for codes and got the listed codes. i erased the codes and got the car to start but it runs really bad and will only stay running if you leave your foot on the gas. by the time i got it in the shop it had res...
October 12, 2011
2004 Suzuki Verona S 2.5L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KL5VM52L34
P0300: Multiple Cylinder Misfire Detected. Thank you for any help with this. And yes all of those codes were stored when it came in. Ok it came in for a jerking/bucking. when driving if you drive below 10 mph car would stall but start back up. Finally the dash and tail lights are not working... Ok figu...
October 12, 2011
2003 Kia Sorento EX 3.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: KNDJD73333
P0300: Multiple Misfire Detected. I have ensured the timing marks are good and also replaced the negative battery terminal connector since it was loose on the vehicle. Now, I checked the side of the motor where the misfires are so that I can ensure there is nothing wrong with that catalytic, ...
October 17, 2011
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWMD63823
P0300: Random misfire. Customer brought car in with complaint of running poorly, almost shutting off and flashing check engine light. I pulled the codes and with the 0171 and misfires on all cylinders, I sort of ruled out one or two bad coils. It also had code 0507 but there wasn't...
October 17, 2011
2003 Chevrolet Trailblazer LT 4.2L Misfire VIN: 1GNDT13523
P0300: Multiple Engine Misfire Detected. I have 2 problems with this POS most importantly it misses at an idle and occasionally at speed(customer "thinks it misses at speed" could be very slight or not at all). We cleaned the fuel rail and thought we made an improvement so we tried a set of i...
October 22, 2011
2005 Chevrolet Silverado 2500 HD 6.0L Misfire VIN: 1GCHK23U95
P0300: Multiple Engine Misfire Detected. Hope to find some help...05 chev has single misfire on cyl 5 at idle ,reach 1500-2000 rpm them #1,6,8 start..# 5 and 8 are the most frequent...plugs been checked..coils checked and swapped with no change ..have tried cleaner for injectors and have just finishe...
October 24, 2011
1998 Audi A6 Quattro 2.8L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: WAUBA24BXW
P0300: Random multiple misfire. OK this one I'm uncertain of. This Audi has a Cyl 1-3 misfire and a shorted cam sensor code. I ran a compression test on the vehicle and was surprised to find cyl 1-3 had less than 10 psi and cyl 4-6 had over 140. I was curious if anyone knows if a bad cam sen...
October 25, 2011
2002 Ford Taurus SE 3.0L Poor Idle Quality, MIL Lamp on VIN: 1FAHP53UO2
P0300: Random miss. Hi all car came in with a surge-miss at idle. They had it at another shop for same problem, they replaced plugs wires coil pack with no change at idle. Battery was dead so no codes-replaced cable ends charged battery went on test drive to confirm problem, surg...
October 25, 2011
1998 Chevrolet C3500 Silverado 5.7L Hesitation, Cuts out, Stall VIN: 1GBGC34R9W
P0300: Multiple Cylinder Misfire Detected. This truck is very well maintained and is driven nicely, not abused. On Accelleration, at full throttle, at about 40-45 mph it will start to bog really bad. Starts to knock and miss fire. It will keep running bad until you pull over and let it idle. It will re...
October 26, 2011
2004 Mercedes-Benz E320 3.2L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WDBUF65J14
P0300: random/multiple misfire. Have this vehicle that sees a misfire under WOT request at which point the affected cylinder injectors are cut-off causing lack of acceleration and a rough idle. Upon restart vehicle runs fine until WOT request at which point the same thing happens. I can get ...
October 26, 2011
2001 Chevrolet S10 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCDT19W51
P0300: Multiple Engine Misfire Detected. ... local dealer. They had a reman long block installed,previous engine overheated. New ignition parts. They also installed a new IAC Valve. The truck idles rough hence the P0300. It has OEM ignition parts. Fuel pressure good, compression good. Smoke tested th...
October 27, 2011
2002 Chevrolet Blazer LS 4.3L Misfire, MIL Lamp on VIN: 1GNCT18W52
P0300: Multiple Cylinder Misfire Detected. Hey Fellow Techs. This blazer will set P0300 every road test. Class A Miss Fire so Check engine light is flashing during cruise. Vehicle runs great do not feel any misfire during cruise. Counters on scanner say #4 and #1 the worse. Replaced plugs,cap,rotor,wir...
October 27, 2011
1994 Lexus ES300 3.0L Excessive Emissions, Misfire VIN: JT8GK13TXR
P0300: Random misfire. to the best group of people in the field(kissin up never hurts), i have a 94 lexus es300 from another shop here that has intermittant misfire on cyls. 1 3 5, according to modis. Havent been able to duplicate problem. the other guys replaced plugs with autolite...
October 27, 2011
2002 Chevrolet Silverado 2500 6.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCHK29U72
P0300: Multiple Cylinder Misfire Detected. I am overlooking something,I have spark, injector pulse and compression yet a dead miss on both cylinders 2 & 7 which by the way are fired consecutivly,7 then 2 in the firing order.My next step is to swap injectors 2 & 4 and see if miss follows injecto...
October 29, 2011
1999 Mazda Miata 10th Anniversary 1.8L Misfire VIN: JM1NB3535X
P0300: Random Misfire Detected. this vehichle came in new plugs wires plugs black has anybody ran into this
October 31, 2011