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High voltage O2 sensor Circuit

This is a discussion on High voltage O2 sensor Circuit within the External Engine forums, part of the LSx Technical Help Section category; I keep throwing codes for high voltage bank 1 and bank 2 rear O2 sensors , i have removed the ...

  1. #1
    Senior Member ss~zoso~ss's Avatar
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    Exclamation High voltage O2 sensor Circuit

    I keep throwing codes for high voltage bank 1 and bank 2 rear O2 sensors , i have removed the cats, with an ORY and O2 Simms, are my simms going bad and causing these codes, the simms have worked great for about a year with no problems,

    also if i erase the code it doesn't come back on until another 50 miles or so, please help

    thanks,

    Jeff
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    Just me Y2KPewterSS's Avatar
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    Sims are probably bad like you mentioned. Just get the codes tuned out.
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    Senior Member ss~zoso~ss's Avatar
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    do u think the car runs any different if the SES light is on for those codes, ie if the SES light comes on again will the car perform any worse if i just stop erasing them at autozone?

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    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by ss~zoso~ss View Post
    do u think the car runs any different if the SES light is on for those codes, ie if the SES light comes on again will the car perform any worse if i just stop erasing them at autozone?
    If the codes are for those rear 02s, it won't make the car run poorly if the SES light is on. The only reason to get the light itself turned off at autozone is because its annoying you.

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