P0307 Diagnostic Trouble Code Discussion for May 2010
Cylinder 7 Misfire Detected
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| Help Request | Posted | |
| 1999 Ford F-150 4.6L Misfire VIN: 2FTRF18W7X P0307: Misfire cyl 7. Customer recently purchased this vehicle and was told there was a weak coil. Replaced coil idles fine but will misfire when going uphill, if accelerator is increased misfire goes away. Checked spark plugs for 4 & 7 and found them to be fine and barely used... |
May 11, 2010 | |
| 1999 Ford F-150 4.6L Misfire VIN: 2FTRF18W7X P0307: Misfire cyl 7. Customer recently purchased this vehicle and was told there was a weak coil. Replaced coil idles fine but will misfire when going uphill, if accelerator is increased misfire goes away. Checked spark plugs for 4 & 7 and found them to be fine and barely used... |
May 12, 2010 |
