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It runs on 3 or 4 cal below 20 miles per hour, we did
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1998 gmc 4.3L 2500 van that wont start. It crank and try to start.
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Dan
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99 sierra 2500. 6.0 litre 225000 miles. Suddenly lost most power.
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2004 GMC Truck Sierra 1500 4WD V8-5.3L Vortec.Has 130,000 kms.
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I have a 2008 GMC Sierra 1500 with 6 liter engine. When you are going between 55 to 70 the truck surges. It feel like a hard wind is blowing against you. If you accelerate or slow down it quits. Deale… read more
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We have a 1998 Jimmy, V6, auto trany 4X4..cap..neutral
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John
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when accelerating..hood off inside of the van..shifting..rpms
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1988 gmc: oil change plugs dis cap pcv valve..oil pressure..my engine
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road...like it was out of gas., and wouldnt start again..fuel pump
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

GMC Mechanic

5,844 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

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15 years gm master tech/15 years ASE master tech

car tech

car tech

ASE Certified Technician

449 satisfied customers

25 year master tech and shop owner

Chris (aka- Moose)

Chris (aka- Moose)

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234 satisfied customers

16 years of experience

Paul M ASE Master

Paul M ASE Master

ASE Master Tech

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ASE Master Tech 20+ Years

Anthony

Anthony

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GM Certified

Amedee

Amedee

GMC Technician

470 satisfied customers

ASE certified tech with advanced level specialist. Wisconsin certified emissions state inspector

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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