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2004 Ford F-150 STX 4.6L Poor Idle Quality, Misfire, MIL Lamp on
We got 2004 f-150 with 4.6l engine came in with bad miss fire and MIL [...] the code memory has p171,p300,p354 and p304,p305,[...] vacum leak not [...] exhust system no [...] pressure 41 psi at idle and 41-42 at high [...] to o2 reads always above [...] have [...
FIX posted 2/12/2009
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Related Documents & Media | VIN | 1FTRX12W64 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi port injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0300 | Multiple Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
| P0308 | Cylinder 8 Misfire Detected |
| P0354 | Ignition Control Module Circuit 4 Malfunction |
Message Closed w/FIX
Vehicle Data
2004 Ford F-150 STX
| VIN | 1FTRX12W64 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi port injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0300 | Multiple Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
| P0308 | Cylinder 8 Misfire Detected |
| P0354 | Ignition Control Module Circuit 4 Malfunction |
Video