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Related GMC Questions
Installed a remand injection pump was trying to time it
Installed a remand injection pump was trying to time it better now I don't have fuel to the injector lines I have fuel going to the pump but low flow out of the pump is that right? This is a 95 6.5 c3… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
99 GMC 3500 Savana- won't start- Replaced fsd- have fuel to
99 GMC 3500 Savana- won't start- Replaced fsd- have fuel to top of motor but nothing at injectors. Had P0251 code flash ocne- cleared it not getting code again still won't start? … read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
I have an 82 GMC Sierra w/6.2 diesel and it started smoking
Hello, I have an 82 GMC Sierra w/6.2 diesel and it started smoking this morning and wouldn't throttle up then died, any suggestions? thanks… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
904 satisfied customers
Cam, on this end, I have a 96 GMC c1500 truck, i changed the
hi cam , dan on this end , I have a 96 GMC c1500 truck , i changed the pmd for the third time, #1 lasted about 18 miles, #2 lasted about 2 miles #3 yesterday maybe 4.5 miles, #2&3 from oriley auto pts… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
Is a GMC 3500 HD when warmed up dont start, i went from fuel
is a GMC 3500 HD when warmed up dont start, i went from fuel pump to injectors and everything is fine … read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
I let it run out of gas two weeks ago EVERY sense then it
I let it run out of gas two weeks ago EVERY sense then it shuts off like fuel pump over heats then wen it cools off like hours later it starts​ right back wen I turn it off same thing again … read more
Reggie Whiddon
Reggie Whiddon
Shop Foreman
Vocational, Technical or Trade School
209 satisfied customers
I have a GM 6.5 turbo driving down hwy engine suddenly quit
Hi I have a GM 6.5 turbo driving down hwy engine suddenly quit running , getting fuel to pump doesn't seem to be firing … read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,730 satisfied customers
I have a 6.5 Diesel GM HD that I had to have towed because
hi I have a 6.5 Diesel GM HD that I had to have towed because it lost all power. Or should I say it just creeps along with no power. It blows a lot of black smoke. ??? Help. … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
13,395 satisfied customers
I have a 2015 GMC Sierra 2500 HD 6.6L Turbo Diesel I lend it
I have a 2015 GMC Sierra 2500 HD 6.6L Turbo Diesel I lend it to a friend,The truck went empty on fuel,So the DOM #~^* Filled it up with gasoline instead of Diesel Fuel.He ran it for a little bit,and t… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC K25/K2500 Pickup 4x4: I have a 94 GMC K2500 pickup with
I have a '94 GMC K2500 pickup with a 6.5 TD engine. Over the past 4 years, I have gone through 6 pmd's, the latest one quit about 3 weeks ago. I carry two old pmd's with me and in the past, I can usua… read more
Roy Belding
Roy Belding
7,754 satisfied customers
GMC: I have a 2003 GMC desiel 6.6 and it just cranks over,
I have a 2003 GMC desiel 6.6 and it just cranks over, change filter and oil. It started 5 month ago where it start hard. Is there any recall on this… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC G3500 Vandura: Hello. I have a 1996 GMC Vandura 6.5 Diesel
Hello. I have a 1996 GMC Vandura 6.5 Diesel NA. It starts and runs fine for about 15 min. and then it shuts down. I have to wait a few minutes before I can restart it. It DOES NOT have the electronic … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra 3500: I have a 1994 GMC 1 ton 6.5 liter turbo diesel.
I have a 1994 GMC 1 ton 6.5 liter turbo diesel. Have had it 2 1/2 years has about 210,000 miles and I have never had a lick of trouble out of it. it had 180,000 on it. a couple of days ago i went to l… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC sierra: I have a 1994 gmc single wheel 1 ton. Was running
I have a 1994 gmc single wheel 1 ton. Was running fine now when it starts it's rpm races way up then down then it will quit. Not sure what it is. Dave… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,126 satisfied customers
GMC C3500 HD: Ive been trying to bleed a 2000 6.5 turbo diesel
I've been trying to bleed a 2000 6.5 turbo diesel for 3 days now, new rebuilt motor, not sure what I'm doding wrong but I can not get the fuel to the injectors… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,126 satisfied customers
GMC C3500 Sierra 4x2: Im back online with the same problem.
I'm back online with the same problem. My 1996 GMC 1 ton 6.5 deisel is dieing never know when, just like you turn the key off. Things we have done to it so far. 1. replaced the fuel pump, 2. replaced … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,126 satisfied customers
Hummer H1 4 Pass Hardtop: I purchased a Hummer H1 1997 and
I purchased a Hummer H1 1997 and when it starts tons of black smoke comes out. The guy said the truck had been sitting for about 8 months. When trying to drive it the truck surges and has varied idle … read more
tripletauto
tripletauto
Shop Foreman
Associate Degree
242 satisfied customers
You ansered my question about my 6.5 GMC suburban dying and restarting check supply pump.N
You ansered my question about my 6.5 GMC suburban dying and restarting check supply pump.Now it wont start at all.what is the supply pump supplysupplying to?I livein the countyy ana am about 90 miles … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,126 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

2,126 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

904 satisfied customers

24 years of experience diagnosing & repairing

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Mike S.

Mike S.

ASE Certified Technician

256 satisfied customers

GMC N.A.I.S.E. Certified Auto-Mechanic

George H.

George H.

ASE MasterTechnician

233 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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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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