Engine Performance problem
2002 Ford Ranger 6 cyl Two Wheel Drive Automatic 12000 miles
I have replaced 3 O2 sensors and the engine doesn't seem to run rich at rpm's below 3000. At 3000 the engine hesitates and begins to run rich with black smoke coming from the exaust.
have the same problem?
Tuesday, April 15th, 2008 AT 9:07 AM