GMC

GMC troubleshooting questions? Ask a mechanic for answers

Connect one-on-one with {0} who will answer your question

Related GMC Questions
I am haveing a issue with 2012 GMC Sierra code p0011. P0011
I am haveing a issue with 2012 GMC Sierra code p0011 … read more
Julio Quispe
Julio Quispe
174 satisfied customers
2011 gmc sierra v8 [base mod] ck eng light comes on - to
2011 gmc sierra v8 [base mod] ck eng light comes on - to dealer sop replace sending unit and screen 125000 mi . no fix.. the lt. stays on . told "you need a new oil pump . the eng has not lost power ,… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,912 satisfied customers
2008 GMC Sierra, 127,000 miles. engine light came on
2008 GMC Sierra, 127,000 miles. engine light came on yesterday. Notices today my oil gauge is on 0. Oil level is fine, engine sounds fine, runs great. … read more
marcus odell
marcus odell
Mechanic
Associate Degree
283 satisfied customers
Start engine oil pressure comes up then begins to drop about
start engine oil pressure comes up then begins to drop about 8# ***** sequence down to almost 0 … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,912 satisfied customers
2010 GMC Sierra low oil pressure even after replacing
2010 GMC Sierra low oil pressure even after replacing pressure sensor and screen … read more
Daniel Chaidez
Daniel Chaidez
Technician
Diploma
1,844 satisfied customers
2011 gmc sieara 4.8 lit has 4sp transmisson.trans. overheats
2011 gmc sieara 4.8 lit has 4sp transmisson.trans. overheats when idling it runs cool when driving.i have cleaned the radiator dosen,t have a oil cooler for trans … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
24,515 satisfied customers
I have a 2004 GMC Sierra 1500 5.3. Low oil pressure, I have
I have a 2004 GMC Sierra 1500 5.3. Low oil pressure, I have replaced pressure sensor and changed oil and filt. … read more
Tyler Henry
Tyler Henry
Technician
Automotive service technology
3,001 satisfied customers
I have a 1998 GMC sierra, i'm not exactly sure what can be
hello, i have a 1998 GMC sierra, i'm not exactly sure what can be wrong with it, i was just riding one day, when it had just stopped as if it ran out of gas.. anyway, i gas it up, give it a crank and … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
19,796 satisfied customers
I have a 08 GMC 5.3l M code engine. Got a misfire in #6.
I have a 08 GMC 5.3l M code engine. Got a misfire in #6. Spark plug, coil, wires all good. Could it be as simple as the oil pressure sending unit filter? Is it possible for oil to get to all but 1 cyl… read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
19,796 satisfied customers
Drivers side cooling fan seized up. Sierra 1500 SLE 4.8l,
Sierra 1500 SLE 4.8l, crossover year, not the classic … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
9,273 satisfied customers
I have a 2009 gmc Sierra 1500 with the 5.3 with afm. Now I
I have a 2009 gmc Sierra 1500 with the 5.3 with afm. Now I bought it used with 231000 kms. When I got it last February the oil pressure sensor decided to go on me. Now I have had it replaced twice now… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
2008 gmc sierra 4.8 setting 4 codes P0191 P069E P0172 P0175.
2008 gmc sierra 4.8 setting 4 codes P0191 P069E P0172 P0175. The truck runs fine but it carries 92 lbs fuel pressure for the first ten seconds it runs then drops to 84lbs while idling. I already repla… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
9,273 satisfied customers
2012 gmc 5.3lt oil pressure below 275 at idle, Just got the
No dealer put a pf48r it got bit better just both it … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
9,273 satisfied customers
I lost oil pressure im hearing a ticking noise and I believe
I lost oil pressure im hearing a ticking noise and I believe my oil pump went out. My check engine came on. So I'm wondering if it's just a sensor. My gauge wont move and the message center says turn … read more
Mike S.
Mike S.
ASE Certified Technician
Vocational, Technical or Trade Scho
241 satisfied customers
I have a 2002 GMC Sierra (5.3 V8) appx 120K miles. The oil
I have a 2002 GMC Sierra (5.3 V8) appx 120K miles. The oil pressure starting dropping so I performed an engine wash and I noticed afterwards there were brass filings in the oild. The pressure has main… read more
Eric
Eric
Retired
N/A
37,438 satisfied customers
GMC 1500 sierra: 2005 gmc 1500 sierra 6.0L vortec steel block
2005 gmc 1500 sierra 6.0L vortec steel block with aluminium head. I,ve had low oil pressure upon start up below 20 for about 6 month then after driving the normal operating pressure is 40. the lag tim… read more
Mike Kelly
Mike Kelly
Auto Mechanic
Vocational, Technical or Trade Scho
2,509 satisfied customers
GMC Sierra 1500: i have a 2011 gmc sierra 1500. Im very impressed
i have a 2011 gmc sierra 1500. Im very impressed with the headlights in the truck and was wondering what type they use and if i can duplicate the them for my 2001 mustang.… read more
kw255
kw255
Owner
Vocational, Technical or Trade Scho
22 satisfied customers
I just bought a GMC Sierra 2500 HD Duramax truck it has
I just bought a GMC Sierra 2500 HD Duramax truck it has 187,785 thousand miles on it. It runs great just noticed that it idles at 20 for the oil pressure and when I was driving on the highway at about… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,912 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

1,912 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

766 satisfied customers

16 years of experience

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

248 satisfied customers

GM, GMC, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics

Mike S.

Mike S.

ASE Certified Technician

241 satisfied customers

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

< 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