this thing is failing nox, the limit at 15mph is 512,and at 25mph 765, we are running at 15mph 1108, and at 25mph 1063, fuel pressure is at spec, no codes in ecm, longterm at idle is 13% and short term is 11%, AT 2500 rpm longterm is 0% and shortterm is 20%, i...

Summary posted 9/28/2007

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