P0301 Diagnostic Trouble Code Discussion for May 2023
Cylinder 1 Misfire Detected
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| Help Request | Posted | |
| 2013 Mercedes-Benz CLS550 4.7L Poor Idle Quality, Misfire Hi All, car has misfire bank one, replaced coils , plugs and O2 sensors bank one, no change. Checked upstream lambda and scanner shows bank 2 off, injectors 12&4 are in high positive range in smoothness test. sometimes misfire switches from 2 to cylind... |
May 01, 2023 | |
| 2013 Mercedes-Benz CLS550 4.7L Poor Idle Quality, Misfire Hi All, car has misfire bank one, replaced coils , plugs and O2 sensors bank one, no change. Checked upstream lambda and scanner shows bank 2 off, injectors 12&4 are in high positive range in smoothness test. sometimes misfire switches from 2 to cylind... |
May 02, 2023 |
