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P0300 Diagnostic Trouble Code Discussion for June 2021

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2008 Saturn Outlook XR 3.6L Stall VIN: 5GZER33748
P0300: misdire detected. Repeat Vehicle by the way. Customer states engine stalls while driving- slowing down and turning when this happens. cleaned out air snokle of oil and condensation before, nothing in there now. P0330 code is only code now showing up when idling for a long t...
June 07, 2021
2003 Dodge Ram 1500 Laramie 4.7L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1D7HU18N93
P0300: testing and results. ... give. This vehicle is confusing us all. When you start the vehicle cold it does not misfire and wont misfire if let alone for 15 min. but when the vehicle is put in gear, either drive or reverse, and then slightly loaded it will stutter and miss on al...
June 08, 2021
2015 Ford Escape SE 1.6L Misfire VIN: 1FMCU0GX4F
P0300: Random Misfire. This vehicle came in because it died while driving. We found a loose oil filter and found less than a quart of oil in the engine. So we ordered a long block from Ford and installed it. Vehicle left without any issues. This was in February and the vehicle w...
June 12, 2021
2016 Land Rover LR4 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: SALAK2V67G
P0300: multiple misfire. This one has me puzzled, we've tested the PCM for signal to the ignition coils it is a square wave (I guess like on or off) cylinders 3, 4, 5, 6 are the same and cylinder number 2 looks to be about half of the others and cylinder one is non-existent, we be...
June 16, 2021
2014 Chevrolet Express 3500 6.0L Poor Idle Quality, Misfire VIN: 1GAZGYFG9E
P0300: Random misfire. So i have this express here came in because it would not get out of its own way with plugged cats. Replace cats first. Now runs and moves but has misfires all on bank 1. I have checked power and ground at all injectors on bank 1 injectors ohm out good and ...
June 17, 2021
1999 Toyota Solara SE 3.0L Poor Idle Quality, Misfire VIN: 2T1CF22P2X
P0300: Multiple Cylinder Misfire Detected. Hi, Toy techs. I have a 99' Solara V6 1MZFE with #4 cylinder misfiring issue. No spark present at #4 cylinder coil (#1 coil) The customer had already replaced spark plugs and wires (NGK) and still misfires. I checked the compression and fuel injectors a...
June 17, 2021
2016 Land Rover LR4 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: SALAK2V67G
P0300: multiple misfire. This one has me puzzled, we've tested the PCM for signal to the ignition coils it is a square wave (I guess like on or off) cylinders 3, 4, 5, 6 are the same and cylinder number 2 looks to be about half of the others and cylinder one is non-existent, we be...
June 23, 2021
2003 Chevrolet Silverado 2500 6.0L Misfire, MIL Lamp on, no power VIN: 1GCHK29U03
P0300: Multiple Cylinder Misfire Detected. ... misfire. P0300 is the only code. Truck does not misfire at startup. After a couple of minutes the misfire data shows Cyl#6 misfiring constant and all the cylinders on bank 2 randomly misfiring. If you shut the truck off and restart it does the same th...
June 24, 2021