P0316 Diagnostic Trouble Code Discussion for August 2021
Misfire Detected On Startup (Within the 1st 1000 Revolutions)
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| Help Request | Posted | |
| 2003 Ford F-150 Lariat 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTRX08L93 I first looked at coil ramps all good! Then at injector ramps all good. The leak-down test looks good, relative compression looks good. In-cylinder pressure looks good although I am new to this type of test. Removed valve cover to inspect lash adjusters th... |
August 25, 2021 |
