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xjeepguy

01-08-2005 05:40 AM

strange engine problem

My engine (4.3 vortec cfi "W" code) Makes a horrible smell out of the tailpipe, and idles irradically. The check engine light comes on and goes off spurratically as well. I have already replaced the fuel injector unit, and my first guess is the EGR valve. Any thoughts?

enigma2101

01-11-2005 09:31 PM

RE: strange engine problem

i was gonna put up a new topic about that. i have the same problem and i need help too.

xjeepguy

01-14-2005 10:21 AM

RE: strange engine problem

It was the oxygen sensor. All good now.

dobbist

04-15-2005 12:01 AM

RE: strange engine problem

which one? i thought there were 2 or 3 o2 sensors i think i might have a similiar problem

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