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policetruck · 12-21-2007, 01:23 PM

i have a 1990 burb. it is a 350 efi i just changed the fuel filter and cleaned out the throtle body with spray. the truck runs great when i am on the gas but when i am trying to creep through traffic it seems to go and then die off and then go and then die off. like i am getting on and off the gas. sometimes it seems to iideal a little low sometimes to. but then other times it sems to have no trouble. very confused? any help???

12-21-2007, 01:23 PM	#1
policetruck Registered User Join Date: Nov 2007 Location: lititz pa Posts: 3	need some help please i have a 1990 burb. it is a 350 efi i just changed the fuel filter and cleaned out the throtle body with spray. the truck runs great when i am on the gas but when i am trying to creep through traffic it seems to go and then die off and then go and then die off. like i am getting on and off the gas. sometimes it seems to iideal a little low sometimes to. but then other times it sems to have no trouble. very confused? any help???