Dave S

P0135

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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...

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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

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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.

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