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1998 Ford F-150 4.2L MIL Lamp on
This truck came in with codes P0171 and P0174 Too lean bank #1 & 2. I checked the waveform on the oxygen sensors and found that the front sensors were very noisy. I pulled five gas readings and all the readings were normal and the air to fuel ratio is perfect ...
FIX posted 8/31/2004
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 2FT2F1720W |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1998 Ford F-150
| VIN | 2FT2F1720W |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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