Thread: New SSIs in - Engine now backfires and idles rough.
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pmax pmax is online now
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Join Date: May 2014
Location: SF Bay Area
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Interesting.

Is the O2 reading rich ?

There is a 3 pin test port near the fusebox to show what lambda the "ECU" is reading.
Old 07-21-2019, 08:36 PM
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