Thread: 45% of americans do not care if their check engine light is on .
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Join Date: May 2014
Location: SF Bay Area
Posts: 18,216
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In its defense, P0171 and P0174's are not to be ignored.

You can even plot a chart of the trims on one of those nifty OBD devices.
Old 03-01-2021, 08:45 PM
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