GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
1996 gmc suburban 5.7 278,000 miles oil guage all the way to
1996 gmc suburban 5.7 278,000 miles oil guage all the way to the right engine running or not, key out of the ign. still all the way to the right … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
10,919 satisfied customers
2006 GMC savanna. All dash gauges shut down and warning
2006 GMC savanna. All dash gauges shut down and warning lights come on for a second when running then go back to regular condition for about fifteen seconds then repeat. I have a Snap-on Solus Pro sca… read more
Cesar Jimenez
Cesar Jimenez
Owner/CEO
Vocational, Technical or Trade School
175 satisfied customers
I have a 2007 gmc sierra, 6.6 duramax LBZ, one day got low
I have a 2007 gmc sierra, 6.6 duramax LBZ, one day got low oil pressure warning light and the chimes while slowing down for red light. No noise, engine sounded fine. Checked the oil, it was ok. I chan… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,110 satisfied customers
My brake lights work sometimes and sometimes they dont,
my brake lights work sometimes and sometimes they dont … read more
Jaybird61
Jaybird61
Master Automotive Mechanic
2,586 satisfied customers
Oil Pressure gauge does not register pressure consistently.
Oil Pressure gauge does not register pressure consistently. GMC C/K 3500 dually with 6.6 duramax, 140,000 mi. w/ mfg date of 09/03. Was told it has a new sending unit. Local mech said it was a loose c… read more
C. Walker, Jr.
C. Walker, Jr.
633 satisfied customers
I have a problem with GMC Sierra VIN: 3GTP1VE0XDG125896
Hello. I have a problem with GMC Sierra VIN: 3GTP1VE0XDG125896 there is no indication oil pressure and fuel level on instrument cluster. Ihave trouble codes P0463 and P0523 What I did: I checked wires… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,091 satisfied customers
I have a problem with GMC Sierra VIN: 3GTP1VE0XDG125896
Hello. I have a problem with GMC Sierra VIN: 3GTP1VE0XDG125896 there is no indication oil pressure and fuel level on instrument cluster. Ihave trouble codes P0463 and P0523 What I did: I checked wires… read more
Tim\u0027s Auto Repair
Tim\u0027s Auto Repair
Mechanic
High School or GED
14,714 satisfied customers
GM Technician 2007 GMC Envoy Denali 5.3 4x4 Just driving my
Hello GM Technician 2007 GMC Envoy Denali 5.3 4x4 Just driving my car in the highway and notice that the oil pressure gauge is not working and the check engine light come out as well as a warning ligh… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,091 satisfied customers
My mom has a 2003 gmc envoy that wouldn't start. We took it
My mom has a 2003 gmc envoy that wouldn't start. We took it to advanced auto and he tested the battery. It was bad. Replaced battery and now AC doesn't work...or the instrument panel as far as oil pre… read more
Jared D
Jared D
Shop Supervisor
Bachelor's
2,354 satisfied customers
GMC: I have a 2000 gmc Yukon that the tacometer gas gauge and
I have a 2000 gmc Yukon that the tacometer gas gauge and speedometer stopped working as I was installing a radio. any idea what could fix this?… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
hummer H2: oil pressure gauge no reading, speedometer not reading,
oil pressure gauge no reading, speedometer not reading, tachometer not reading and of course the a/c heat delivery is blowing hot on drivers side and a/c on passenger side ?… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
GMC Yukon XL: My oil pressure gauge starts out ok when you
My oil pressure gauge starts out ok when you first start out, but goes to 0 after a while. How do I change the sending unit?… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
GMC Sierra 1500: I have a 1994 GMC C1500 Pickup RWD Sierra
I have a 1994 GMC C1500 Pickup RWD Sierra V6 - 4.3L. We are troubleshooting issues with my oil pressure gauge and would like to replace the "oil sending unit". Parts stores are referring to it as an o… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Chevy Silverado SLT: I have a 2005 Silverado 5.3 SLT that
I have a 2005 Silverado 5.3 SLT that the oil pressure gauge pegs at 80...but will drop to zero during driving...and then back to 80. Is the engine actually dropping oil pressure or is it a faulty sens… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,067 satisfied customers
GMC Yukon XL 1500 SLT: I have a 2003 yukon xl slt...I recently
I have a 2003 yukon xl slt...I recently had an oil change a couple of weeks ago but within the last week my oil guage needle has been going all the way over between 40 and the 80 mark when I accelerat… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
GMC Sierra 1500: hello, i have a 2008 gmc sierra 1500 with
hello, i have a 2008 gmc sierra 1500 with the 5.3litre engine. My oil pressure drops to zero after driving for about 5-10minutes. The oil light comes on and I get a code of p0521. I was at the garage … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC C1500 Sierra 4x2: my truck wont start, i have checked battery,
my truck wont start, i have checked battery, starter, alternator, fuel pump, fuses, gas, oil, belts, wires... and still nothing, not even a clicking noise. i was thinking maybe its my ignition switch … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GM express 2500 I have a chevy van 2500 and the oil light
I have a chevy van 2500 and the oil light will come on for a minute or two and then go off. Is this a problem with a sensor?… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 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

1,823 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