Quote:
Originally Posted by opus69
I have had those codes intermittently for quite some time. Can't really notice performance issues. I can't find a pattern but it was after an AOS failure w oil in throttle body. Cleaned MAF and throttle body. Haven't noticed performance issues. Got tired of booting up the Durametric so I got one of the Bluetooth ELM units and just read and reset it w android phone. I suspect vacuum leak bug have been unable to track it down
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Using your Durametric, what does the voltages look like on the O2 sensors ahead of your catalytic converters with the motor running?