Hesi, Hesi, Hesitation... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

farside847 · 11-11-2005, 12:08 PM

So some of you might remember, last week I was troubleshooting my truck. It felt like it was mis-fireing. Ended up it was the carb. So I had it professionally rebuilt and it runs well.

The only change now is a hesitation. When I use a heavy foot, no problems. When Im cruzing along in traffic at a low rpm and in a higher gear, and give it just a tad of gas nothing happens. Just a tad more, still nothing. Just a tad more and it jumps! throwing my head back and jerking the truck.

It used to like crusing along in gear like this, is there an adjustment that could help me out?

thanks!

jhow66 · 11-11-2005, 04:05 PM

Pump setting--needs to start sooner. With engine OFF look down into carb and see if fuel sprays as soon as you move the throttle. If not take it back and let them adjust it.

11-11-2005, 12:08 PM	#1
farside847 Registered User Join Date: Feb 2005 Location: Bay Area, California Posts: 995	Hesi, Hesi, Hesitation... So some of you might remember, last week I was troubleshooting my truck. It felt like it was mis-fireing. Ended up it was the carb. So I had it professionally rebuilt and it runs well. The only change now is a hesitation. When I use a heavy foot, no problems. When Im cruzing along in traffic at a low rpm and in a higher gear, and give it just a tad of gas nothing happens. Just a tad more, still nothing. Just a tad more and it jumps! throwing my head back and jerking the truck. It used to like crusing along in gear like this, is there an adjustment that could help me out? thanks! __________________ 1971 Chevy C10 Shortbed Stepside, 307v8 3-on-the-tree

11-11-2005, 04:05 PM	#2
jhow66 Registered User Join Date: Jun 2002 Location: Knoxville Tenn. Posts: 3,058	Re: Hesi, Hesi, Hesitation... Pump setting--needs to start sooner. With engine OFF look down into carb and see if fuel sprays as soon as you move the throttle. If not take it back and let them adjust it. __________________ 56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer



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