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Related GMC Questions
At idle, after engine is warm oil pressure drops to 25 -28
At idle, after engine is warm oil pressure drops to 25 -28 psi. could this cause the turbo boost vane controller to not perform right? … read more
Gary
Gary
Gold Certified Technician
Vocational, Technical or Trade School
2,715 satisfied customers
I have a 2017 GMC Sierra 2500HD truck with 6.6 turbo diesel
I have a 2017 GMC Sierra 2500HD truck with 6.6 turbo diesel engine. The transmission oil cooler needs to be replaced and I'm wondering how many hours labor is required for disassembly and re-install o… read more
Edgardo Soto
Edgardo Soto
58 satisfied customers
Brother, finally after a forever wait on the ecm for the
Ok brother, finally after a forever wait on the ecm for the c4500 I finally got it this morning and installed it. What do you know? Same issue, no signal from the ecm to the fuel pressure regulator an… read more
richard cole
richard cole
OWNER/OPERATOR
Associates (2 YRs)
223 satisfied customers
I have an 01 Duramax diesel that has had a new fuel filter
i have an 01 Duramax diesel that has had a new fuel filter and a new pressure regulator valve. Under a load my truck goes from 65 to 25 mph. It doesn't die, but it deff will not go over 25. what's up … read more
pETER
pETER
technician
Master's Degree
136 satisfied customers
I have a 2001 duramax and replaced the engine with i think a
i have a 2001 duramax and replaced the engine with i think a 2003 duramax. My 2001 has the boost sensor in the intake and the 2003 does not have a place for it! where is it located on the 2003 ? … read more
brandon thaggard
brandon thaggard
Automotive and Diesel Technology with Heavy Equipment
116 satisfied customers
I have two codes in 1093, 1094. truck starts and runs, then
i have two codes in 1093, 1094. truck starts and runs, then when i shut it off it wont start. then an hour or so later it starts up again. … read more
Larry Schmidt
Larry Schmidt
21 satisfied customers
I have a 2011 gmc 2500hd with 6.6 duramax im having problem
I have a 2011 gmc 2500hd with 6.6 duramax im having problem with my truck dieing when I hit a bump and check engine light flashing on then immediately back off code p2510 is showing when this occurred… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
11,052 satisfied customers
I have a P2263 code that keeps popping up in a 2015 3500
hello I have a P2263 code that keeps popping up in a 2015 3500 chevy 6.6 duramax. Brand new long block engine and turbo. Old engine went out at 84,000 miles.. New engine and turbo is doing the same ex… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,029 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.
667 satisfied customers
2004 GMC 2500HD with 6.6 Duramax LLY. Driven through deep
2004 GMC 2500HD with 6.6 Duramax LLY. Driven through deep water, stalled, turned over but wouldn't start, now won't turn over. Removed air filter intake hose at throttle body to find that the engine i… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC K3500 SIerra: I have a 2006 GMC 3500 with 6.6 duramax.
I have a 2006 GMC 3500 with 6.6 duramax. I am changing out the injector pump. I have followed the alldata instructions up to taking out the intake crossover tube. I can't get the back 4 bolts off beca… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
65,111 satisfied customers
gmc Sierra 2500 HD: Customer looking to purchase a truck with
Customer looking to purchase a truck with a small to moderate amount of oil leaking out of intercooler hose on the right side at intercooler. Not very familiar with these engines or this problem. Is t… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
24,878 satisfied customers
GMC Sierra 2500HD Diesel: Ok need some help ordering the correct
Ok need some help ordering the correct part. I had a squirrel eat the wire to the top plug. I spliced the wires back to gether but I'm getting error codes. Given the fact that there are 4 different OR… read more
Mike S.
Mike S.
ASE Certified Technician
Vocational, Technical or Trade Scho
245 satisfied customers
GM 2500hd: I have a 2004 LLY duramax. I keep getting codes
I have a 2004 LLY duramax. I keep getting codes p0046, p0045, and p2563. I have replaced the turbo vane position sensor cleared the codes and they come back. The pickup runs perfectly, no issues other… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,029 satisfied customers
gmc duramax: i have a 2001 gmc duramax 2500HD 6.6 and i think
i have a 2001 gmc duramax 2500HD 6.6 and i think my crank case resantor is bad it is blowing burnt oil smoke out the the breather line on the bottom. so my questions are the black box beside the idler… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,029 satisfied customers
GMC 2500 Series: i have a 2005 GMC 2500HD with LLY 6.6L duramax
i have a 2005 GMC 2500HD with LLY 6.6L duramax turbo diesel engine. the truck will turn over but thats it. it will not start. its throwing a code P0341. would replacing the camshaft sensor fix it and … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,029 satisfied customers
GM gmc sierra 2500hd 4x4 crew cab: I have a 2005 gmc sierra
I have a 2005 gmc sierra 2500hd 6.6 duramax diesel, after sitting for a while (9 days in cold weather -18C) I tried to start it (about 3-4 seconds) and after the engine turned over I heard a presure r… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,029 satisfied customers
GMC Sierra 2500 HD SLT: I recently bought a 04 GMC sierra
I recently bought a '04 GMC sierra with the LLY Duramax engine in it(115000miles), and it has a couple issues. At idle it surges every few seconds and occacianally has a blip in the throttle like I pu… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
2,029 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

2,029 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

65,111 satisfied customers

24 years of experience diagnosing & repairing

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

261 satisfied customers

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

Mike S.

Mike S.

ASE Certified Technician

245 satisfied customers

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

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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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