Question about 1997 Chevrolet Astro
Two things to try, first find your ox sensor mounted close to the first small cat closest to the engine.remove it and scrub it with a small brass brush.reinstall it. Unhook your battery for 10 mints both the pos. and the neg cables.. Drive for a few days to see if the code comes back. if not it's fixed. If the codes comes back find someone with a lazer type thermometer one like you point and shoot to get a temp reading. run your car for 15 mints shoot the cat at it's inlet then at the outlet should be the same, if you have a good difference it is stoped up somewhat and needs replaced.
Posted on Jul 24, 2009
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Posted on Jan 02, 2017
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