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1998 Ford F-150 XL 4.2L Poor Fuel Economy
Posted to Ford Driveability on 2/11/2004 3 Replies

Hello Techs,

I need a little advice from some of the ford techs. What I have here is just a complaint of poor fuel economy. It does have a lot of black soot deposit in the tail pipe, but the ECU hasn't set any codes. Also, the O2 sensor is toggling rich to le...

3 Replies Received (View Replies)

  Related Documents & Media  1998 Ford F-150 XL

 
Message Closed w/Summary

car Vehicle Data

1998 Ford F-150 XL

VIN 1FTZF1720W
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Message Closed w/Summary

car Vehicle Data

1998 Ford F-150 XL

VIN 1FTZF1720W
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways