
1999 Ford F-250 Super Duty Lariat 5.4L Poor Fuel Economy
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...
FIX posted 2/23/2004
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Message Closed w/FIX
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VIN | 1FTNX20L2X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1999 Ford F-250 Super Duty Lariat
VIN | 1FTNX20L2X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy |
Occurs | Always |