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post #1 of 1 (permalink) Old 07-04-02, 05:43 PM
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Question KOEO codes

I'm getting codes 172 and 136 with the key on engine running tests. The fault code book says the 172 is a HEGO HO2S sensor fault (lean) and the 136 is the same but (always lean). I suspect I have an injector problem but I can't tell which injector is bad. I don't have anything to listen to them with.

Don't know for sure if it's an injector. Just guessing. Anyone have any ideas?

Thanks, Jim

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