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1991 Ford Ranger Custom 2.9L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 4/9/1998

Hello,

This truck came in today. The idle rolls, high emiss., poor mileage. I checked the O2 sensor and found that someone had shaved off one of the locator tabs to make it fit the plug. After replacing the sensor the truck runs the same. My question is this,...

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car Vehicle Data

1991 Ford Ranger Custom

VIN 1FTCR11T2M
Engine2.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp On
OccursAlways, After Closed Loop
Message Closed w/FIX

car Vehicle Data

1991 Ford Ranger Custom

VIN 1FTCR11T2M
Engine2.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp On
OccursAlways, After Closed Loop