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1991 Ford Mustang LX 2.3L MIL Lamp on
Posted to Ford Driveability on 12/18/1997

Good Morning; Customer's complaint is the CEL comes on and tach reading drops in half. Did KOEO Test and KOER test. Codes were in Keep Alive Mode. Ran tests as per ALDATA up to the point of installing DIS tester. We used the wiring diagram to by-pass using th...

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car Vehicle Data

1991 Ford Mustang LX

VIN 1FACP41M2M
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsUS
SymptomsMIL Lamp On
OccursIntermittently
Message Closed

car Vehicle Data

1991 Ford Mustang LX

VIN 1FACP41M2M
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsUS
SymptomsMIL Lamp On
OccursIntermittently