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Old 04-17-2011, 10:03 AM   #4
Wrenched Loose
AKA: Scott
Join Date: Sep 2004
Location: Austin, TX
Posts: 1,209
Vehicle: 2013 Malibu 2LT
Malaclypse a trusted member
Figure out your lean code. That's what is causing your rough idle. NOT the O2 sensor. Besides... right now with the O2 sensor setting a code, the PCM is likely ignoring its input.
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