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1985 Ford Mustang LX 3.8L Poor Idle Quality
Posted to Ford Driveability on 9/28/2009 15 Replies

This car is my daughters best friend. She received it from her grandfather, it had been sitting 5 years. The engine had rods knocking. I replaced the engine with a used unit. After starting the idle will go to [...] rpm in 15-20 seconds and stay there. If you ...

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Message Closed w/FIX

car Vehicle Data

1985 Ford Mustang LX

VIN 1FABP2739F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / throttle body injection
EmissionsOBD1
SymptomsPoor Idle Quality
OccursIdle, 15-20 Seconds After Start
Message Closed w/FIX

car Vehicle Data

1985 Ford Mustang LX

VIN 1FABP2739F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / throttle body injection
EmissionsOBD1
SymptomsPoor Idle Quality
OccursIdle, 15-20 Seconds After Start