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1989 Ford Ranger XLT 2.9L Poor Idle Quality, Random Partial Miss
Posted to Ford Driveability on 4/29/2014 19 Replies

When the engine is first started, cold, warm or hot, it runs SMOOTH AS GLASS and is quiet as a mouse. You could balance a full wine glass on the intake. As soon as the O2 starts to sweep and system goes into closed loop, the engine develops a rough idle with r...

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  Related Documents & Media  1989 Ford Ranger XLT

 
Message Closed w/Summary

car Vehicle Data

1989 Ford Ranger XLT

VIN [No VIN Available]
Engine2.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
SymptomsPoor Idle Quality, Random Partial Miss
OccursAlways, Closed Loop Only
Message Closed w/Summary

car Vehicle Data

1989 Ford Ranger XLT

VIN [No VIN Available]
Engine2.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI
SymptomsPoor Idle Quality, Random Partial Miss
OccursAlways, Closed Loop Only