Dave S Posted November 13, 2011 Share Posted November 13, 2011 Hi Everyone, Check engine light came on. I read the code ... P0135. This is bank 1 sensor 1 (upstream O2 Sensor). I checked the ohms on the old one and got no reading so I figured it was bad. I replaced it and the check engine light is still on (after 20 minutes of driving). Do I have to reset the computer? If the Sensor was bad would the check engine light go off right away after I replaced it? Thanks Dave... Quote Link to comment Share on other sites More sharing options...
gilberto Posted November 18, 2011 Share Posted November 18, 2011 Hi Everyone, Check engine light came on. I read the code ... P0135. This is bank 1 sensor 1 (upstream O2 Sensor). I checked the ohms on the old one and got no reading so I figured it was bad. I replaced it and the check engine light is still on (after 20 minutes of driving). Do I have to reset the computer? If the Sensor was bad would the check engine light go off right away after I replaced it? Thanks Dave... you have to clear the codes , if light stays on , problem may be in wiring harness Quote Link to comment Share on other sites More sharing options...
Dave S Posted November 22, 2011 Author Share Posted November 22, 2011 gilberto - On my way to Advanced Auto to clear the codes the light went off. I guess you need to have so much driving time before the codes clear. Thanks for your help. Quote Link to comment Share on other sites More sharing options...
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