Check engine light...scanned
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Joined: Sep 2002
Posts: 874
From: Shreveport, LA
Check engine light...scanned
It came out a No Activity Code bank one sensor 3. He said that means it's the one behind the cat, is this true? That would mean my Casper's O2 sim is messed up. Anyone ever had this code? Oh yeah this is on my 1997 4.3 Sonoma.
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dbusch22
LT1 Based Engine Tech
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Jan 5, 2015 07:14 PM