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P018b code on 2013 GMC Acadia. The vehicle seems to run
P018b code on 2013 GMC Acadia. The vehicle seems to run fine. … read more
Ron Z.
Ron Z.
- GMC Tech -
Vocational, Technical or Trade Scho
291 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
705 satisfied customers
Only cracks over!! Replaced with a new assembly gas pump and
Only cracks over!! Replaced with a new assembly gas pump and new gas filter!! Had some adjust the fuel pressure and was working fine for a week then just stalled out on me yesterday … read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,124 satisfied customers
01 GMC 4.8 L Siera pickup failed inspection running. Before
01 GMC 4.8 L Siera pickup failed inspection for lean running. Before I do a smoke test, what should I check? So far, I have opened the EGR and sprayed WD40 in it. iT moves freely. From the top, I look… read more
Ron Z.
Ron Z.
- GMC Tech -
Vocational, Technical or Trade Scho
291 satisfied customers
I have a 1997 GMC Savana old owner told me fuel pump was
I have a 1997 GMC Savana old owner told me fuel pump was replaced as well as 1 o2 sensor within 1 week of purchase. Engine had bad misfire and was clacking so I just had a new rebuilt engine put in. B… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
2000 gmc jimmy no start,checked fuel pressure 0 on
2000 gmc jimmy no start,checked fuel pressure 0 on gauge,fuses,relay,ok,no power on grey wire to pump..Found corrosion in grey wire replaced wire from fuse box under hood to pump,have 11.8vlts pump st… read more
Amedee
Amedee
Automotive Consultant
Vocational, Technical or Trade Scho
19,701 satisfied customers
GMC Acadia SLE: my Acadia SL 2010 has a problem of engine vibration
my Acadia SL 2010 has a problem of engine vibration when going uphill and engine losing power same time with RPM playing up and down only at speeds above 50miles/hr. Few weeks back I was going uphill … read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,124 satisfied customers
My 2006 2500HD Duramax diesel failed to start after running
My 2006 2500HD Duramax diesel failed to start after running fine. Dealership said I had air in the system and needed the filter changed. One week later I turn off the engine, and the same thing happen… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,680 satisfied customers
GMC Safari: 1999 GMC Safari 4.3l. 181,000 miles. Reman GMC
1999 GMC Safari 4.3l. 181,000 miles. Reman GMC motor at 130,000. Will a faulty or failing fuel pump set a code? Vehicle was losing power on hill. Hwy 70 in Colorado. Vehicle lost power in Eisenhower t… read more
Eric
Eric
Retired
N/A
33,956 satisfied customers
I have a 1987 gmc van g 2500 the fuel pump comes on when the
i have a 1987 gmc van g 2500 the fuel pump comes on when the key is turned pumps 30 seconds and turns off,,,,starts right back and does the same thing over and over... replaced the fuel filter iac mot… read more
kalamykid
kalamykid
Pactor automotive
Vocational, Technical or Trade Scho
5,537 satisfied customers
GMC Jimmy 4x4 (Mid Size): PO 131,151, 171 ..... 2001 is running
PO 131,151, 171 ..... 2001 is running lean. won't pass smog.. was told fuel pressure was low. vapor recovery tube at gas tank was disconnected... reconnected it. Running much better now not sure if I … read more
Ron Z.
Ron Z.
- GMC Tech -
Vocational, Technical or Trade Scho
291 satisfied customers
GMC Yukon SLT: 1999 GMC Yukon 2WD 5.7l - warm engine, full
1999 GMC Yukon 2WD 5.7l - warm engine, full throttle acceleration from rolling start, good to 4k+ rpm, shifts up fine, makes 70mph +/-, then starts shaking and sputtering, back off throttle to idle an… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,680 satisfied customers
I have a 2000 GMC 1500 Sierra . I have replaced fuel pump twice
I have a 2000 GMC 1500 Sierra . I have replaced fuel pump twice this month and now have this buzzing sound that sounds like it's coming from the fuel pump and buzzing down the fuel line to the engine.… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,680 satisfied customers
GMC 2500HD 4x4: 2008 GMC 2500HD Diesel truck with 128,000 miles.
2008 GMC 2500HD Diesel truck with 128,000 miles. Only happens when pulling a heavy trailer - goes into limp mode and says fuel filter now at 0 percent. If you pull over and sit on side of road with ke… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,680 satisfied customers
My GMC pickup has some issues with hesitation when accelerating,
My GMC pickup has some issues with hesitation when accelerating, coughing and backfiring. The fuel pressure is 9 psi. The plugs look good and are gaped properly. I haven't found any vacuum leaks. The … read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
2,324 satisfied customers
GMC impala: i have a 2002 impala with a 3.4 engine, 150000
i have a 2002 impala with a 3.4 engine, 150000 on the odometer. car sometimes does not start. after sitting a few hours to overnight it will start. problem is infrequent; every 3-4 weeks. i've had it … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,838 satisfied customers
GM w4500: just changed the fuel filter on a 2004 gmc w4500
just changed the fuel filter on a 2004 gmc w4500 is there a fuel primer on this truck cant get it to start now… read more
Gary
Gary
Shop Foreman
Vocational, Technical or Trade Scho
292 satisfied customers
GM 3500: 1996 gmc 3500 350ci. truck wont start. No codes stored,
1996 gmc 3500 350ci. truck won't start. No codes stored, checked spark and its strong. Checked fuel and theres flow and pressure, 68psi when pump is running then it drops right to 55psi when the pump … read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,838 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

705 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

291 satisfied customers

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

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

234 satisfied customers

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

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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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