bank one sensor check engine light, plz help
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This is a discussion on bank one sensor check engine light, plz help within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; hi, guys! after i upgraded my stock down and up pipe to catless up and down pipe, my engine light ...

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    bank one sensor check engine light, plz help

    hi, guys! after i upgraded my stock down and up pipe to catless up and down pipe, my engine light pops all the time, bank one sensor message, any trick that i can do to make it go away? or i guess i have to just get used to it, thanx.

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    Captain James of the SS Impreza has gone down with the ship Drews's Avatar
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    Really? This is a serious question? You just tossed on an up pipe and down pipe and expected your ECU to just adjust for corrections? Maybe you shoulda done some research huh? Get a tune. That will fix it.
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    He simply abides. SD_GR's Avatar
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    bank one sensor check engine light, plz help

    Your description of the CEL is not clear. The work done will generate two CELs usually. Both can be addressed mechanically or electronically. Search "CEL fix" for both up pipe and down pipe.
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    Registered User nsibanez's Avatar
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    You could always put catted up and do instead so your o2 won't bug out

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    thanx guys, thats my first turbo car. im just new to wrx. thax

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    Registered User SKI.WRX's Avatar
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    Quote Originally Posted by nsibanez View Post
    You could always put catted up and do instead so your o2 won't bug out
    DO NOT use a Cat in the up pipe. simple and cheap resistor mod will take care of the up pipe CEL.

    2.2K Ohm Resistor Mod

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