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1988 Ford F250 5.8L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 12/15/1997

This vehicle is running lean, the O2 sensor says it is lean and the 4gas agrees. I have good fuel pressure, I tried a new map sensor, we used Simu-Tech and found no bad grounds, or any sensors that were out of range. We cleaned the injectors, (no change) We di...

 
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car Vehicle Data

1988 Ford F250

VIN 1FTHF25H1J
Engine5.8 L / 8 cyl
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursIdle
Message Closed

car Vehicle Data

1988 Ford F250

VIN 1FTHF25H1J
Engine5.8 L / 8 cyl
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursIdle