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wyattglock · 07-17-2012, 12:56 AM

That is controlled by the idle air control valve. If it is stuck closed the truck won't crack the blades open far enough to get air flow and idle properly. I ran into the same thing on my tbi 454.

07-17-2012, 12:56 AM	#2
wyattglock Registered User Join Date: Jul 2010 Location: Lafayette, IN Posts: 621	Re: 87 350 tbi timing That is controlled by the idle air control valve. If it is stuck closed the truck won't crack the blades open far enough to get air flow and idle properly. I ran into the same thing on my tbi 454.