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2004 Ford F-150 Lariat 5.4L Poor Idle Quality, MIL Lamp on
This F-150 has Lean DTC's and A/F and O2 Stuck lean DTC's for both banks. Has a rough idle, occasionally stalls. Restarts no problem and seems to drive fine off idle. Short term fuel trims are maxed out at 45% and still no voltage output from the Oxygen sensor...
FIX posted 1/15/2012
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Message Closed w/FIX
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean |
| P2197 | Air Fuel Sensor (Bank 2 Sensor 1) Signal Stuck Lean |
Message Closed w/FIX
Vehicle Data
2004 Ford F-150 Lariat
| VIN | [No VIN Available] |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean |
| P2197 | Air Fuel Sensor (Bank 2 Sensor 1) Signal Stuck Lean |
Video