P0300 Diagnostic Trouble Code Discussion for December 2020
Multiple Misfire Detected
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| Help Request | Posted | |
| 2007 Mercedes-Benz ML350 4Matic 3.5L Misfire, misfire on coldstart VIN: 4JGBB86E37 P0300: multi misfire. vehicle came in with multiple problems. Dealer told her she needed thermostat( did not warm up fast enough),hose on air injection (vacuum line on air valves broken). I also found it had misfire in #3. Was not misfiring at the time, sold her plugs and coil ... |
December 16, 2020 |
