P0300 Diagnostic Trouble Code Discussion for October 2016
Multiple Misfire Detected
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| Help Request | Posted | |
| 2000 Chevrolet K2500 LS 7.4L Hesitation, MIL Lamp on VIN: 4FTNW304N0 P0300: Multiple Cylinder Misfire Detected. I received this truck and the complaint was that the air conditioning compressor clutch is always on even when a/c was not commanded. Test led me to the clutch relay always having a ground signal from the pcm. I replaced the pcm (factory gm reman) and programm... |
October 13, 2016 | |
| 2000 Chevrolet K2500 LS 7.4L Hesitation, MIL Lamp on VIN: 4FTNW304N0 P0300: Multiple Cylinder Misfire Detected. I received this truck and the complaint was that the air conditioning compressor clutch is always on even when a/c was not commanded. Test led me to the clutch relay always having a ground signal from the pcm. I replaced the pcm (factory gm reman) and programm... |
October 14, 2016 | |
| 2004 Pontiac Grand Am GT 3.4L No Start, intemitent VIN: 1G2NW12E74 P0300: Multiple Cylinder Misfire Detected. Hey iatn. I have another misfit toy for the island. This car drives me nuts. I have had it parked in the same spot all week to try and narrow down the conditions. But ambient temp or sitting in sun or dark dont seem to have any effect, seemingly completely ran... |
October 22, 2016 | |
| 1997 Chevrolet S10 2.2L Excessive Emissions, Hesitation, Stall, MIL Lamp on VIN: 1GCCS1447V P0300: Multiple Engine Misfire Detected. ok here it goes, got this truck from another shop. they put a motor in it for why i do not know why. running rough misfires on 1 and 3. reran ignition wires. put 4 injectors in because they were leaking down filling cylinders. running better but still will kil... |
October 29, 2016 | |
| 1997 Chevrolet S10 2.2L Excessive Emissions, Hesitation, Stall, MIL Lamp on VIN: 1GCCS1447V P0300: Multiple Engine Misfire Detected. ok here it goes, got this truck from another shop. they put a motor in it for why i do not know why. running rough misfires on 1 and 3. reran ignition wires. put 4 injectors in because they were leaking down filling cylinders. running better but still will kil... |
October 31, 2016 |
