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2004 Ford F-150 Lariat 5.4L Misfire, MIL Lamp on
THIS ONE HAS ME CONFUSED, THE FUEL TRIM WILL RISE ON BOTH BANKS WHILE DRIVING UNDER HEAVY LOAD. BOTH O2 SENSOR WILL GO UP TO .89V AND FLAT LINE THERE AND YET THE FUEL TRIM I HAVE SEEN GO OVER 20% ON BOTH BANKS. THE F/T IS PERFECT @ IDLE SO I DON'T SUSPECT A VA...
FIX posted 2/17/2010
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Related Documents & Media | VIN | 1FTP14524K |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / GAS |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Under Load, Intermittently |
Trouble Codes
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2004 Ford F-150 Lariat
| VIN | 1FTP14524K |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / GAS |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Under Load, Intermittently |
Trouble Codes
| P0174 | Fuel System Too Lean (Bank 2) |
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