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Old 08-17-2013, 01:30 PM   #5

xjer22x's Avatar
Drives: 2010 rs/ss black # 10,308
Join Date: Mar 2009
Location: hoffman estates, il
Posts: 913
well if your check engine light is on, that means the car is going into open loop which usually runs rich.

But the best way for help is to get the exact code, plus you have to see if its front or rear o2's. did they say both were bad or just one bank?

Last edited by xjer22x; 08-17-2013 at 06:34 PM.
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