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Old 09-06-2009, 09:28 PM   #1
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Join Date: Jun 2009
Location: VA
Posts: 221
Fuel Cut, Rev limit 6800

recently installed Headers w/Cats, bypass midpips and high flow muffler. I noticed the car no longer cuts fuel or hits rev limit at 6800 like before.

I have been carefull not to go anywhere near past 7000 rpm. I am getting a CEL for the rear O2''s reading the same as the front's P0420, but cant see how it would be relevant.

I don't want to take it any higher to find out if it indeed may still be working at a higher RPM as I am on the stock IMS. Any ideas of whats going on? Thanks.
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