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how do i replace the oxygen sensor on my 2003 chevrolet venture (wagner brothers edition)?

2003 chevy venture.. oxygen sensor upstream downstream. I am getting warning signal light on my dashboard....chevy dealer had scanned it for a code and came up with faulty bank 1 sensor 2.

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3 Answers from these members:
Manage My Life
Car repairs can be good do it yourself projects if you have the tools, patience and a little knowledge. I located some information from two other web sites that you can check if you like while waiting for the expert response. Hope this helps.
by Manage My Life
May 12th, 2011
Answered in 13 minutes
0 votes
bikerbigpapa bikerbigpapa
Bank one is going to be the left bank "bank 1"on a Chevrolet and the emission system has O2 sensors and also monitor sensors which will be the "2". So either the sensor on the front of the engine after the catalytic converter is bad or it is sensing the cat is bad. You need to take your vehicle to a repair facility that has the capability of monitoring the sensors via computer to tell you if it is the sensor or the cat.
by bikerbigpapa bikerbigpapa Earned 7,304 community points in Automotive
May 18th, 2011
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