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1998 Ford Mustang 3.8L High Idle
Posted to Ford Driveability on 9/27/2008 13 Replies

customer brought the car for high rpm when decelerating. when it is stationary, on park,and rev the engine, it comes down quick. when you drive at 50 mph, and shift it to neutral, the rpm will stay at 1900 rpm and it will only come down when the speed drops to...

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Message Closed w/FIX

car Vehicle Data

1998 Ford Mustang

VIN 1FAFP4046W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHigh Idle
OccursUnder Load, on Decel
Message Closed w/FIX

car Vehicle Data

1998 Ford Mustang

VIN 1FAFP4046W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHigh Idle
OccursUnder Load, on Decel