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2001 Ford F-150 XL 4.2L MIL Lamp on
hello friends, having trouble with this vehicle, had codes p0171 and p0174 system lean bank 1 and 2. located large vacuum leak at right side of lower intake manifold, we replace lower gaskets and plenum gasket with oem. recheck fuel trim, bank 1 is still lean ...
FIX posted 6/23/2010
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Message Closed w/FIX
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12 Replies Received
12 Replies Received
Related Documents & Media | VIN | 1FTZX17271 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
2001 Ford F-150 XL
| VIN | 1FTZX17271 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video