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2004 Ford F-150 Lariat 5.4L Poor Idle Quality, Misfire, MIL Lamp on
I'm hoping someone has seen this before. Truck came in with misfire on multiple cylinders. Replaced all plugs and coils. Still has misfire t idle. Once you give it gas it smoothes out. smoked the intake and found smll pinholes all over the place in the intake ...
FIX posted 10/1/2012
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Message Closed w/FIX
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7 Replies Received
Related Documents & Media | VIN | 1FTPX12594 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0174 | Fuel System Too Lean (Bank 2) |
| P0354 | Ignition Control Module Circuit 4 Malfunction |
Message Closed w/FIX
Vehicle Data
2004 Ford F-150 Lariat
| VIN | 1FTPX12594 |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0174 | Fuel System Too Lean (Bank 2) |
| P0354 | Ignition Control Module Circuit 4 Malfunction |
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