P0308 Diagnostic Trouble Code Discussion for February 2019
Cylinder 8 Misfire Detected
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| Help Request | Posted | |
| 2009 Mercedes-Benz ML550 5.5L Misfire VIN: 4JGBB72E09 P0308: . Misfire on cylinder 7 and 8. Problem is there is no spark or injector pulse on those 2 cylinders. Both cylinders have good compression. I tried swapping coils, clearing the codes, doing an adaption reset, disconnecting the battery and connecting terminals ... |
February 13, 2019 | |
| 2009 Dodge Ram 1500 Sport 5.7L Misfire, MIL Lamp on VIN: 1D3HB18T09 P0308: Misfire on cyl 8. The truck misfires under load; the MIL flashes. I replaced all 16 spark plugs and coil number 8. No change. I replaced fuel injector #8. No significant improvement. The trims go up to 24 to 29% at 3500 rpm, but are less than 10% at idle and low RPM. If you... |
February 19, 2019 |
