2001 Ford Escape Oxygen sensors

Tiny
VRISENER
  • 2001 FORD ESCAPE

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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

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Friday, January 11th, 2008 AT 4:58 PM

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Tiny
FLEXY5
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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.

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Friday, January 11th, 2008 AT 5:25 PM

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