Thread: EGR valve
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Old 10-21-2013   #10
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Join Date: Oct 2012
Location: IN
Posts: 556

Re: EGR valve

Originally Posted by 89JerseyGTA View Post
I had egr codes on my 5.7, didn't run hot, just very rough.
I am interested in the rough running part. I have a 'miss' in my 91 through idle and all RPMs. Doesn't matter if it is hot or cold.

It is driving me nuts because there is no reason for it. I have checked the fuel system (new pump, filter, lines, injectors), replaced the ignition (plugs, wires, cap, module and have excellent spark), timing is correct, and tons of other stuff.

I may just put an EGR valve on it over winter and see what happens. This car has had this issue since I bought it in '95! I hardly ever drive it so it isn't a big deal, but it is driving me nuts trying to figure it out....
1991 GTA, SLP Perfomance Package
1989 GTA, 26K Original Miles
1988 GTA, Stock
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