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1991 Ford F-150 Custom 5.0L Poor Idle Quality
Posted to Ford Driveability on 6/3/2003 7 Replies

after warmed up, idle surges from 800rpm to 12oo rpm. if it does smooth out, once you come off of an idle the to whole process reatarts. performed complete tuneup. compression averaged 150 psi. replace plugs, rotor, cap, wires, pcv, and all filters. have also ...

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car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEX15N8M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality
OccursAlways, Hot, Idle
Message Closed

car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEX15N8M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality
OccursAlways, Hot, Idle