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1989 Ford F Super Duty 7.5L Excessive Emissions, Poor Idle Quality, Stall
Posted to Ford Driveability on 7/22/2019 24 Replies

Problem occurs only on hot start. Cranks normal and starts and stumbles, blows black smoke, stalls. Let it sit for 10-15 minutes, starts normal. Cold start is perfect and drive ability is perfect. The truck will idle and drive all day long and not miss ...

24 Replies Received (View Replies)

  Related Documents & Media  1989 Ford F Super Duty

 
Message Closed w/Summary

car Vehicle Data

1989 Ford F Super Duty

VIN 2FDLF47G1K
Engine7.5 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / EFI
EmissionsOBD1
SymptomsExcessive Emissions, Poor Idle Quality, Stall
OccursAfter a Hot Soak, Hot Start Only

Trouble Codes

126MAP sensor fault
Message Closed w/Summary

car Vehicle Data

1989 Ford F Super Duty

VIN 2FDLF47G1K
Engine7.5 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / EFI
EmissionsOBD1
SymptomsExcessive Emissions, Poor Idle Quality, Stall
OccursAfter a Hot Soak, Hot Start Only

Trouble Codes

126MAP sensor fault