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Re: OBD 2 Puzzle: HO2S Heater TTA
Posted to Technical Discussion Forum on 3/23/1999 3 Replies

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Hey Jim, I'm willing to bet this code set due to the lean condition from cylinder #3. Since the diagnostic executive on obd 2 systems can set "rationality" codes, it probably didn't see as quick a war... Login to read more.

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