GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
I have an 1989 GMC sierra p/u.Was running fine then it
I have an 1989 GMC sierra p/u.Was running fine then it back-fired and stopped running.It is getting fuel to carb but has no spark … read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
12,665 satisfied customers
I have a 1995 gmc safari sle 4.3l v6, and it wont start im
I have a 1995 gmc safari sle 4.3l v6, and it wont start im getting codes 51,52,41,42, so I replaced the memcal/prom chip with a new one that has the same four letter BWAJ, but van still doesn't start … read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,024 satisfied customers
2006 GMC Envoy Denali 5.3. Will start in morning when cold.
2006 GMC Envoy Denali 5.3. Will start in morning when cold. After running then turn off, get cranking, but no start. Mechanic checked it, but could not duplicate for 2 days. Tried few days later in af… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,024 satisfied customers
The engine is cranking over but it wont start. replaced all
the engine is cranking over but it wont start. replaced all the spark plugs and wires tonight not getting a spark, replaced the battery and put ether in the engine … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,832 satisfied customers
I have a 1975 350 with a quadrajet carburator and early in
I have a 1975 350 with a quadrajet carburator and early in the morning it starts and runs fine for a few minutes and then it dies and later in the day when it warms up outside it will crank but won't … read more
Jaybird61
Jaybird61
Master Automotive Mechanic
2,463 satisfied customers
I hav a problem with a 95 GMC pick up truck 2500. SL. 5.7lt.
Hi there. I hav a problem with a 95 GMC pick up truck 2500. SL. 5.7lt. The engine died on the road. It wont start. No fuel , no spark. I test all the fuse and the fuel pump relay just put a new one. A… read more
Jared D
Jared D
Shop Supervisor
Bachelor's
2,327 satisfied customers
Pete. 97 GMC sierra 5.7 vortec turns over but won't start.
Hi Pete. 97 GMC sierra 5.7 vortec turns over but won't start. intermittent problem for last 6 months. Several techs have tested pump, spark, plugs, coil, etc. They all said there are NO found problems… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
GMC Sierra 1500 Classic SL: i got a 2007 sierra with 4.3 got
i got a 2007 sierra with 4.3 got spark turns over has new fuel pump and pressure over 50 psi but wont start… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra: 2000 GMC Sierra SLE 5.3L V8. The MIL light is not
2000 GMC Sierra SLE 5.3L V8. The MIL light is not on. I have a hard time turning the truck on. I changed the fuel pump, fuel filter, TPS, Idle Control Sensor, new battery, new iridium spark plugs, i c… read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
37,465 satisfied customers
GMC Suburban K1500 4x4: hello, i have a 97 gmc suburban k1500.
hello, i have a 97 gmc suburban k1500. wont start, just turnes over. don't have power getting to ignition fuse . fuse is not blown.i checked it with a test light, and it did not light up. so i changed… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC savanna 3500: 99 gmc savanna 5.7 liter, stalled while driving,
99 gmc savanna 5.7 liter, stalled while driving, won't start, replaced distibutor, cap, coil, ignition coil, camshaft position sensor, still wont start. fuel pump works and fuel is in rail.… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I have a 96 GMC 1500 2wd p u truck with a 4.3 vortec engine.
I have a 96 GMC 1500 2wd p u truck with a 4.3 vortec engine. I have replaced plugs, fuel pump, fuel filter, ignition control module, coil and CPM. I get fuel to the throttle body, spark to the plugs, … read more
jonb9173
jonb9173
Diagnostic Technician
57 satisfied customers
GMC silverado 4wd: my truck flat out quit running. showed a
my truck flat out quit running. showed a battery warning light. turns over, doesnt fire. wait a few minutes fires for a few seconds. towed home, fired for a couple seconds after the tow. it is a 2000.… read more
63skater
63skater
Fleet Technician
Bachelor's Degree
6 satisfied customers
GMC 1500/K: I have an 01 GMC 1500/K, 4.3liter. I had a misfire
I have an 01 GMC 1500/K, 4.3liter. I had a misfire on cyl. 2, after pulling the plug I found the plug to be wet and a strong fuel smell present. This obviously means the plug is not firing. I have cha… read more
Amedee
Amedee
Automotive Consultant
Vocational, Technical or Trade Scho
19,501 satisfied customers
GMC gmc sierra: 1991 gmc 1500 4X4 SLX - will turn over but
1991 gmc 1500 4X4 SLX - will turn over but won't start. Have changed distributor, cap, rotor, wires, plugs, coil and pickup. Nothing helped. Fuel pump is working and is getting fuel. Tried the ignitio… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,107 satisfied customers
Gmc 1500: 92 gmc 1500 4.3 liter 5 speed manual A few days
92 gmc 1500 4.3 liter 5 speed manual A few days ago, the truck began to act this way. It starts first crank for a few seconds, then dies. Will not run after. Cranks but won't start. Probobly not getti… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Suburban K1500 4x4: I have a 93 gmc suburban. Itll start
I have a 93 gmc suburban. It'll start right up when cold but as soon as I get it on the road a drive it for a couple miles I'll reduce speed and try to stop and it starts to sputter and the dies. Idle… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I have a 1986 GMC pick-up, 4.3 liter engine. There has beena
I have a 1986 GMC pick-up, 4.3 liter engine. There has beena couple of tie recently when the engine cut out when we came to a stop. Turn the key and the engine will turn but the engine won't start. We… read more
JHoop
JHoop
Owner,Technician
High School or GED
5,425 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,832 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

675 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

285 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

230 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x