code=o42
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Joined: Apr 2003
Posts: 62
From: Tulsa,ok
code=o42
My SES light keeps coming on. When I have it scanned, it comes up with this code. My manual says it's something like exhaust system catalyst below threshold bank 1. What could it be? Bad cat? Low octane fuel? I can reset it, but it comes back on in 50-200 miles. pls help
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