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1988 Ford F-250 Custom 5.8L Poor Fuel Economy
Posted to Ford Driveability on 1/11/2002 12 Replies

Customer came in with truck getting 4-5mpg. The computer gave a code for Thermactor inop. I found a broken vac line at the contol solinoid. Over all the truck checks out. It has a 3.55 rear axle ratio. I was just wondering if there is anything anyone else has ...

12 Replies Received (View Replies)

  Related Documents & Media  1988 Ford F-250 Custom

 
Message Closed w/FIX

car Vehicle Data

1988 Ford F-250 Custom

VIN 1FTHF26H1J
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / Rail fire EFI
EmissionsUS Fed emmisions
SymptomsPoor Fuel Economy
OccursAlways
Misc.Calib. 8-75A-R10

Trouble Codes

44Themactor inoperative repaired
Message Closed w/FIX

car Vehicle Data

1988 Ford F-250 Custom

VIN 1FTHF26H1J
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / Rail fire EFI
EmissionsUS Fed emmisions
SymptomsPoor Fuel Economy
OccursAlways
Misc.Calib. 8-75A-R10

Trouble Codes

44Themactor inoperative repaired