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1997 Ford F-150 4.2L Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, lacks power
We called Tech-Net hotline, no real help, they told us to check for proper functioning O2 sensors, and replace fuel pump & filter. In addition, we have tried a used MAF, new plugs, checked muffler for conjestion, and a TPS. The vehicle smooths out with an alte...
FIX posted 4/24/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FTDF1720V |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Lacks Power |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150
| VIN | 1FTDF1720V |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on, Lacks Power |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video