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1999 Lincoln Navigator 5.4L Poor Idle Quality
have this navigator that will not idle - have codes po171 and po174 - checked for vacuum leaks - fuel pressure all seems fine - i cannot find anything out of the ordinary this is a 5.4l dohc intech motor - is this different than regular 5.4l dohc . any help ap...
FIX posted 9/21/2004
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Related Documents & Media | VIN | 5LMPU28A7X |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1999 Lincoln Navigator
| VIN | 5LMPU28A7X |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
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