Mechanics

OXYGEN SENSORS

2001 Ford Escape

Other Category problem
2001 Ford Escape 6 cyl Four Wheel Drive Automatic 146713 miles

would needing to replace the senors cause the car to idle rough when the engine is cold I have replaced the plugs wires and fuel filter asready the codes left are for 2 of the oxygen sensors
AD
Avatar
Vrisener
January 11, 2008.




Are they oxygen sensor codes or are they lean codes. If you have P0171, or P0174 codes, they are not oxygen sensor codes. They are caused by a vacuum leak. If the leak is bad enough you should be able to hear a hissing noise while the engine is running. Otherwise the intake manifold gaskets are probably leaking. I would be happy to help further if you need additional info. Please post back.

Tiny
Flexy5
Jan 11, 2008.


AD