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chrisfrom nj · 03-26-2012, 10:17 PM

i had the same prob with my gmc change the ignition control mod and it will run perfect

it surged at idle like there was a vac leak and had a miss i changed the icm and it ran like it was a new truck

03-26-2012, 10:17 PM	#5
chrisfrom nj Join Date: Feb 2005 Location: west orange nj Posts: 2,415 iTrader: (8)	i had the same prob with my gmc change the ignition control mod and it will run perfect it surged at idle like there was a vac leak and had a miss i changed the icm and it ran like it was a new truck