check engine light because of exhaust
Nov 29, 2007 | 12:24 AM
#1
Thread Starter
Staging Lane
Joined: Jan 2005
Posts: 50
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From: LYNWOOD, CA
check engine light because of exhaust
hey i have a 2004 duramax and yesterday i bought a afe stage 2 and also a monster bank exhaust turbo back well to the point i got a check engine light when the exhaust was installed and the codes are
p0401 egr flow insufficient
and
p0404 egr flow ckt range/performance
got an idea what to do or what i did wrong
p0401 egr flow insufficient
and
p0404 egr flow ckt range/performance
got an idea what to do or what i did wrong
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