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2000 Ford Escort Question: engine light is on.

 

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carboy7, 2.0L 4 Cylinder DOHC, Bridgewater, NJ, October 06, 2013, 04:20
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obd code is p0133. any idea on how to fix this. the o2 sensor is only a year old.

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  • Answer #1

    pushrod October 06, 2013, 08:28
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     Master

    'Have' the FRONT O2 sensor circuit checked, if the circuit is ok, replace the sensor with with one of better quaility. Assuming that the engine has NO other combustion issues, ie head gasket, flooding, exhaust leaks etc...

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