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1999 Ford Ranger XLT 2.5L Poor Idle Quality
Posted to Ford Driveability on 11/16/2010 14 Replies

Truck idles rough when goes into close loop, short term fuel trim setting at 43% long term at 10-15% only at idle going down road fuel trims fine. Mass air flow reading seams to be fine, o2 sensors both read 0 when at idle, when throttle opened 02 sensors star...

14 Replies Received (View Replies)

  Related Documents & Media  1999 Ford Ranger XLT

 
Message Closed w/FIX

car Vehicle Data

1999 Ford Ranger XLT

VIN 1FTYR10C9X
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle
Message Closed w/FIX

car Vehicle Data

1999 Ford Ranger XLT

VIN 1FTYR10C9X
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle