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post #4 of (permalink) Old 10-28-2000, 09:55 AM
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Re: 91 4.3 hard starting problem

I figured out the problem yesterday.When i put the new engine and computer in i didn`t like the way it was idling so i punched out the little cap over the adjustment screw and turned the idle up.I guess doing this opened the throttle blades a bit or push on the tps and was causing the truck to flood on start up when it was cold.I turned the screw back to where it was and it`s fine now.

1991 blazer 4 dr 4.3 headers,flowmaster,k&n,31x10.5x15 bfg allterrains
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