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1999 Ford F-250 Super Duty Lariat 5.4L Poor Fuel Economy
Posted to Ford Driveability on 2/16/2004 4 Replies

Customer complaining of poor fuel economy all of a sudden. No codes but we have a ECT reading of -36 degrees. Seems easy enough, right. Wrong, Ford, Alldata and Identifix all say sensor is in the front of the intake. The temp unit in the manifold is for the ga...

4 Replies Received (View Replies)

  Related Documents & Media  1999 Ford F-250 Super Duty Lariat

 
Message Closed w/FIX

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNX20L2X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNX20L2X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways