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2001 Ford F-150 XL 4.2L MIL Lamp on, eng. noises times
Need a little help with this pickup, will set P0171 and P0174 codes for lean on both banks. Freeze frames show the it is set low speeds and LTFT are 7-9 on both banks. I have check fuel pressure and check for vac leaks. I had a lazy o2 sensor on bank 1 couple ...
FIX posted 2/15/2005
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Message Closed w/FIX
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16 Replies Received
16 Replies Received
Related Documents & Media | VIN | 1FTZX172X1 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Eng. Noises Times |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2001 Ford F-150 XL
| VIN | 1FTZX172X1 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Eng. Noises Times |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video