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2004 Ford F-150 XL 4.6L Poor Idle Quality, Misfire
We have performed a cylinder leakage test as well with less than 10% loss. The vacuum at idle is bouncing around 15-16 inches so we're thinking valve springs but because compression is good and smoke testing indicated no leaks, we're not sure yet. Moving coils...
FIX posted 2/1/2010
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Related Documents & Media | VIN | 2FTRX18W34 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0316 | Misfire Detected On Startup (Within the 1st 1000 Revolutions) |
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Vehicle Data
2004 Ford F-150 XL
| VIN | 2FTRX18W34 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0316 | Misfire Detected On Startup (Within the 1st 1000 Revolutions) |
Video