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1989 Ford Mustang GT 5.0L Poor Idle Quality
Posted to Ford Driveability on 6/19/2003 4 Replies

This car loses the ground at the diagonistic plug when you turn the key on. Have checked and cleaned all grounds and done voltage drop,and resistance tests and all is o.k. till the key is turned. Tried new E.C.M. because case was damaged no help With no E.C.M....

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  Related Documents & Media  1989 Ford Mustang GT

 
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car Vehicle Data

1989 Ford Mustang GT

VIN 1FABP42E8K
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsUs Fed
SymptomsPoor Idle Quality
OccursAlways
Message Closed

car Vehicle Data

1989 Ford Mustang GT

VIN 1FABP42E8K
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsUs Fed
SymptomsPoor Idle Quality
OccursAlways