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1990 Ford F-150 Custom 5.0L Poor Idle Quality, Misfire
Posted to Ford Driveability on 10/6/2017 14 Replies

Hi all was hoping one of you Ford gurus could assist me with a misfire problem we have on a Ford F150 truck. Originally came in with a P0302 and EGR code. We tuned it up and replaced the EGR valve and cleaned the throttle body and that took care of the DTC's. ...

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car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEF14N9L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Yes
EmissionsCa emissions
SymptomsPoor Idle Quality, Misfire
OccursHot, Idle, After a Hot Soak
Message Closed w/FIX

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEF14N9L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Yes
EmissionsCa emissions
SymptomsPoor Idle Quality, Misfire
OccursHot, Idle, After a Hot Soak