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P0300 Diagnostic Trouble Code Discussion for March 2021

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2007 Buick LaCrosse CXL 3.8L No Start, Misfire, MIL Lamp on VIN: 2G4WD55247
P0300: Engine Misfire Detected. Car came in for head gaskets, parked after and died, someone else at the shop replaced the ignition module and crank sensor. Left and couple weeks later towed in for no start, no spark. Replaced ignition module again and left. Towed in again couple weeks l...
March 08, 2021
2007 Buick LaCrosse CXL 3.8L No Start, Misfire, MIL Lamp on VIN: 2G4WD55247
P0300: Engine Misfire Detected. Car came in for head gaskets, parked after and died, someone else at the shop replaced the ignition module and crank sensor. Left and couple weeks later towed in for no start, no spark. Replaced ignition module again and left. Towed in again couple weeks l...
March 09, 2021
2008 Ford F-350 Super Duty XL 5.4L Misfire VIN: 1FDSF30578
P0300: random misfire detected. The truck came in running very rough and noisy. We knew there was a problem with the timing chains so we started with changing them. Once the repair was done the truck started and sounded fine. Then we took it for a test drive and once you put it in gear i...
March 09, 2021
2006 Volkswagen Jetta Value Edition 2.5L Misfire, MIL Lamp on VIN: 3VWPF71K46
P0300: Random Multiple Misfire. Hello. Boy I hope you all can think of something I have not. The Vehicle came in with misfire codes, VCDS misfire monitor showed cyl 1 and 4. We swapped coils with no change. Swapped plugs with no change. Eventually swapped injectors with no change. Compre...
March 12, 2021
2007 Audi RS4 4.2L Misfire VIN: WUARU78E17
P0300: Random multiple misfire. We need some input on this RS4. It appears our customer bought someone else's nightmare. This vehicle has an intermittent misfire. The car has aftermarket exhaust. It appears to have a stock flash in the engine controllers. The customer installed spark plu...
March 17, 2021
2013 Dodge Avenger SXT 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1C3CDZCB5D
P0300: missing. ... leak, cust. said after we fix the coolant leak check it for missing may need plugs. T-stat housing cracked, replaced housing filled cooling system and re-checked. When we started engine had what seemed to be dead miss on no#1 cylinder, had p0300 code ...
March 18, 2021
2010 Toyota Highlander SE 3.5L No Start, Long crank VIN: 5TDJK3EH5A
P0300: Random misfire. ... concern that it would not start or has a long crank randomly. The most common thing that will happen is if you start the car and let it run for 5 mins. Then turn it off and try to restart it, it will not start for 2-3 times of trying. Or also know or c...
March 18, 2021
2013 Dodge Avenger SXT 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1C3CDZCB5D
P0300: missing. ... leak, cust. said after we fix the coolant leak check it for missing may need plugs. T-stat housing cracked, replaced housing filled cooling system and re-checked. When we started engine had what seemed to be dead miss on no#1 cylinder, had p0300 code ...
March 23, 2021