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1989 Ford F-150 Custom 4.9L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on
Posted to Ford Driveability on 5/26/2004 8 Replies

Hi group,this ford truck idles a little roughly at 1000 rpm'[...] propane is introduced this helps smooth out the idle, which tells of a lean condition. When the throttle is applied,it starts to break up at 2,600 rpm's and won't go over 3,000 rpm's even if you...

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car Vehicle Data

1989 Ford F-150 Custom

VIN 2FTEF14Y5K
Engine4.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp On
OccursHot, Idle, Acceleration
Misc.4 Wheel Drive
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 2FTEF14Y5K
Engine4.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp On
OccursHot, Idle, Acceleration
Misc.4 Wheel Drive