
1998 Ford Expedition Eddie Bauer 4.6L Excessive Emissions
i have high nox readings and elevated fuel [...] had p0171 and p0174. found baro @136hz(normal for my area is about 148hz) ltft was @ 25% at cruise 18% @ idle. replaced maf sensor and codes have not returned after many test drives but fuel trim still high(crui...
FIX posted 1/3/2009
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Message Closed w/FIX
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VIN | 1FMRU1764W |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1998 Ford Expedition Eddie Bauer
VIN | 1FMRU1764W |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions |
Occurs | Always |