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1998 Ford Ranger XL 4.0L Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 4/12/2011 7 Replies

Have a 98 ranger with 100% duty cycle at all times. Runs rich at all times. Trying to find out if an input is causing high duty cycle or if ECM is bad.

7 Replies Received (View Replies)

  Related Documents & Media  1998 Ford Ranger XL

 
Message Closed w/FIX

car Vehicle Data

1998 Ford Ranger XL

VIN 1FTZR15XXW
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways
Message Closed w/FIX

car Vehicle Data

1998 Ford Ranger XL

VIN 1FTZR15XXW
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways