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1990 Ford Mustang GT 5.0L CODES
Posted to Ford Driveability on 7/20/1999 1 Reply

TO WHOM IT MAY CONCERN, I PURCHASED A HOME AUTOMOTIVE SCANNER AND IT GIVES ME THE ABOVE CODES, BUT MY PROBLEM IS I DON'T KNOW WHAT THEY MEAN OR WHAT I NEED TO FIX, OR EVEN HOW TO GO ABOUT FINDING OUT. SO IF ANYONE KNOWS WHAT MY PROBLEMS ARE PLEASE HELP....

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  Related Documents & Media  1990 Ford Mustang GT

 
Message Closed w/FIX

car Vehicle Data

1990 Ford Mustang GT

VIN 1FACP45E3L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCA EMISSIONS
SymptomsCodes
Misc.Gt, Convertable

Trouble Codes

12cannot control rpmduring self check or a problem with the idle speedcontroll
44thermactor air system failure
91no exhaustgas oxygen swintching detected bank 2
Message Closed w/FIX

car Vehicle Data

1990 Ford Mustang GT

VIN 1FACP45E3L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCA EMISSIONS
SymptomsCodes
Misc.Gt, Convertable

Trouble Codes

12cannot control rpmduring self check or a problem with the idle speedcontroll
44thermactor air system failure
91no exhaustgas oxygen swintching detected bank 2