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Error Codes just came on

dflohr
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dflohr Member

dflohr

Posted
Posted

Very hot day, long country drive. CEL came on.

Autozone was nice enough to read out the codes for me.

P1125 Oxygen sensing adaptation, upper load range, bank 1

P1132 Oxygen sensing adaptation, upper load range, bank 2

Anyone with some possible explanations of causes and fixes?

Thanks

Dan

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mikefocke Member

mikefocke

Posted
Posted

A search on "P1125" here will give you nice long discussions together with a diagnostic flow chart in text form.

Since it is affecting both sides, it is probably not the sensors themselves but something upstream. MAF, vacuum leak, etc.

Unless you are really very experienced (and have the shop manuals and specialized testing tools) (and if you were, you wouldn't be asking here), take it to someone who has the PST2 and associated testers.

Don't run it to long as you can muck up your catalytic converters and those get expensive.

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