P0316 Diagnostic Trouble Code Discussion for September 2021
Misfire Detected On Startup (Within the 1st 1000 Revolutions)
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| Help Request | Posted | |
| 2002 Ford F-150 XL 4.2L Misfire VIN: 1FTRF17292 P0316: Engine misfire detected on start up. Light intermittent misfire on Cylinder 1 according to cylinder contribution test data. Misfire can be felt at idle, but not while driving. Bank 1 O2 sensor is reading rich and bank 1 fuel trims are -20. Bank 2 fuel trims are +/-5. Compression testing shows... |
September 13, 2021 |
