Front O2 sensor no voltage.

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Jan 15, 2011 | 12:18 PM

APLUSPC

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From: Newbury,NH

Front O2 sensor no voltage.

should i change the sensor If I have no voltage form the front o2 sensor, (plug and wires appear ok). Rear sensor shows pretty stedy voltage. Getting a CEL p0422. Car idle verys once warm!

Jan 23, 2011 | 10:11 AM

tech

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From: Orlando, Florida

Most likely it is the front O2.

Jan 24, 2011 | 05:04 AM

APLUSPC

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From: Newbury,NH

Thanks for the reply! I have ordered the front O2 we will see,

Mar 4, 2011 | 07:37 AM

MillerRC

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Does 1999 V70 AWD have a rear O2 sensor I am getting P0422 and I have cheked for air leaks. I have read that the CAT does not go bad very often.

Miller RC