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International Automotive Technicians Network
Re: Failed Smog Test
Posted to Technical Discussion Forum on 3/5/2020

dude ,

i thought we were looking at CRUISE HC.....it's at idle...arggggg . ok , you have some wiggle room here IF the cat is ok . you can legally retard timing 3 degrees from factory specs . do that unless you want to go through the diag process and find the... Login to read more.