What Now? Hesitates at High RPM - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bluec10 · 06-07-2013, 03:06 PM

My 05 Sierra 4.8 has started to hesitate, like it isn't getting fuel, under hard acceleration. Ideas?
Posted via Mobile Device

lowridergmc · 06-08-2013, 01:34 PM

check fuel pressure and check back pressure.any code?

bluec10 · 06-09-2013, 04:41 PM

Just charging up my old Android - I have an app that works with my code reader. Will likely have info soon.

K

06-07-2013, 03:06 PM	#1
bluec10 Registered User Join Date: Apr 2002 Location: Manitoba, Canada Posts: 663	What Now? Hesitates at High RPM My 05 Sierra 4.8 has started to hesitate, like it isn't getting fuel, under hard acceleration. Ideas? Posted via Mobile Device __________________ Present: 2015 Tacoma. Yeah, not a GM, but I love it. 1969 GMC 32,000 - fix, drive, relax, fix... 2019 BMW R1250 GSA - Yahoooooooo 1979 Honda GL 1000 - retro touring at its best. Past: '05 Sierra 4x4 - Had 270,000 KM and running well when it was written-off by a stop sign runner. '94 F-150 from the "F word" company. I'll admit it...good truck. Sold what was left of it for $800 to a guy who came to pick it up at 11:00 PM with cash in hand. Hmm. '79 Sierra Grande (Black) organ donor - perfect rebuildable 4-bolt 350 and a good TH350. '76 Sierra Grande (Orange) - hate isn't too strong a word. Kid who bought it turned it into a hot rod. '68 C-10 R.I.P. - Dad's old truck...too far gone to resurrect. '59 C-50 - with hoist. Truck is gone, wife isn't. Nuff said.

06-08-2013, 01:34 PM	#2
lowridergmc Registered User Join Date: Dec 2012 Location: saskachewan Posts: 150	Re: What Now? Hesitates at High RPM check fuel pressure and check back pressure.any code?

06-09-2013, 04:41 PM	#3
bluec10 Registered User Join Date: Apr 2002 Location: Manitoba, Canada Posts: 663	Re: What Now? Hesitates at High RPM Just charging up my old Android - I have an app that works with my code reader. Will likely have info soon. K __________________ Present: 2015 Tacoma. Yeah, not a GM, but I love it. 1969 GMC 32,000 - fix, drive, relax, fix... 2019 BMW R1250 GSA - Yahoooooooo 1979 Honda GL 1000 - retro touring at its best. Past: '05 Sierra 4x4 - Had 270,000 KM and running well when it was written-off by a stop sign runner. '94 F-150 from the "F word" company. I'll admit it...good truck. Sold what was left of it for $800 to a guy who came to pick it up at 11:00 PM with cash in hand. Hmm. '79 Sierra Grande (Black) organ donor - perfect rebuildable 4-bolt 350 and a good TH350. '76 Sierra Grande (Orange) - hate isn't too strong a word. Kid who bought it turned it into a hot rod. '68 C-10 R.I.P. - Dad's old truck...too far gone to resurrect. '59 C-50 - with hoist. Truck is gone, wife isn't. Nuff said.



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