
1999 Ford Ranger XLT 2.5L Poor Idle Quality
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...
FIX posted 11/19/2010
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Message Closed w/FIX
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VIN | 1FTYR10C9X |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Idle |
Message Closed w/FIX
Vehicle Data
1999 Ford Ranger XLT
VIN | 1FTYR10C9X |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Idle |