Egr
April 11th, 2020, 9:35 PM
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Egr
I have a 2002 Chevy Silverado without an EGR at least it’s not there and it looks factory. Anyway I had to swap computers in it from a 99 which had EGR I know have code p0405 and my engine idles rough so my question is do I have to get a tune done to the computer or how do I fix this issue thanks
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fishfun83
Silverado, Sierra & Fullsize Pick-ups
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October 12th, 2009 6:18 AM