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1989 Ford Bronco Custom 5.0L Surge
Posted to Ford Driveability on 2/17/2001

The problem that we are having is that after you start up the vehicle, preferably@ operating temp, the idle starts out @ about 1500rpm then drops right down to about 850rpm. In drive the speed is 650rpm with or without the ISC connected.

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car Vehicle Data

1989 Ford Bronco Custom

VIN 1FMEU15N8K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Port fuel injection
EmissionsUS federal emmissions
SymptomsSurge
OccursHot, Idle, Intermittently
Misc.N/A
Message Closed w/FIX

car Vehicle Data

1989 Ford Bronco Custom

VIN 1FMEU15N8K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Port fuel injection
EmissionsUS federal emmissions
SymptomsSurge
OccursHot, Idle, Intermittently
Misc.N/A