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1997 Ford F-150 Lariat 4.6L MIL Lamp on
HI guys truck came in with check engine light on and codes po171 & p0175 lean o2's. scan o2s lean and slow,checked fuel pressure ok volume low replaced fuel filter slight improvement replaced fuel pump with factory unit. O2's switching good volume good cus...
FIX posted 10/19/1999
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Message Closed w/FIX
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Related Documents & Media 
| VIN | 1FTDX1760V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150 Lariat
| VIN | 1FTDX1760V |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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