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1997 Ford F-150 4.2L Poor Idle Quality, MIL Lamp on
I suspect a vacume leak but not positive. The iac is a 48% and a/f is 22.4 with a iradic idle. I have checked all vac lines and intake manifold with no sign of a leak. All help is appreciated
FIX posted 1/17/2006
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Related Documents & Media | VIN | 3FAPP11JXM |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150
| VIN | 3FAPP11JXM |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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