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06 6.6 engine light on for glow plug circuit, replaced the
39;06 6.6 engine light on for glow plug circuit, replaced the glow plugs performed resistance test on wires. serviced batteries, at koeo glow plug light comes on for a few seconds then off and starts … read more
Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
31,048 satisfied customers
2005 gmc 6.6 duramas diesel not charging. replaced
2005 gmc 6.6 duramas diesel not charging. replaced batteries, replaced alternator and still not charging. no voltage reading from positive post off alternator … read more
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2005 gmc 3500 4hk1 diesel 5.2.glow plug controller flashes
2005 gmc 3500 4hk1 diesel 5.2.glow plug controller flashes on then off1time when you turn key on ,even when cold.Replaced glow plugs,,relay, checked power, all seems ok.Cannot find controller location… read more
Roy
Roy
shop foreman
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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
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Vocational, Technical or Trade Scho
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GMC Yukon SLT: I have a 2004 GMC Yukon that has a radio that
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Gm Tech (Cam)
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Vocational, Technical or Trade Scho
31,048 satisfied customers
GM Sierra: Hello I have a 2005 GMC 2500 pick up 6.6 duramax
Hello I have a 2005 GMC 2500 pick up 6.6 duramax diesel, every now and then and not at any given time hot or cold it will hesitate on take off, heavy black smoke for 30 or 40 seconds, clear itself out… read more
Chris (aka-Moose)
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GMC c5500: I have a 2005 gmc c5500 rollback truck with 6.6
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Pete
Pete
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General auto certifications
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Hi I have a 2007 gmc flat bed 6.6 motor 5500 duramax diesel
Hi I have a 2007 gmc flat bed 6.6 motor 5500 duramax diesel the truck goes onto limp mode ,its rest its self after 5 to 10 min and does it again after a while ,while the check engine light goes on it … read more
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
31,048 satisfied customers
WE HAVE A 2006 GMC 3500 WITH A 6.6 DURAMAX.CAME INTO THE SHOP
WE HAVE A 2006 GMC 3500 WITH A 6.6 DURAMAX.CAME INTO THE SHOP WITH CODES FOR ALL 8 GLOW PLUGS,PLUS A PO64C CODE.CHECKED DATA AND GET NO READINGS FROM ANY GLOW PLUGS.CLEARED CODES AND AND RECHECKED FOR… read more
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Michael Moore
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gmc 3500: i have a 1995 gmc 6.5 diesel hard to start when cold
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Vocational, Technical or Trade Scho
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I have a 05 gmc 4500 6.6 diesel have owned since new never
i have a 05 gmc 4500 6.6 diesel have owned since new never had a problem starting hot or cold . now it will not start cold , will if i plug in over nite , but cant plug in at work , the glow plug lite… read more
Pete
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GMC C2500 4X4: HELLO, I HAVE A 06 2500 4X4 GMC W/ 6.6 DURAMAX
HELLO, I HAVE A 06 2500 4X4 GMC W/ 6.6 DURAMAX ALL STOCK 80K MILES. TRUCK STARTED AND RAN FOR 2 MINUTES AND DIED. CHANGED FILTER AND PRIMED FUEL SYSTEM ENGINE WILL START AND RUN FOR 5 SECONDS AND DIE.… read more
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
31,048 satisfied customers
GMC Sierra 2500 HD Classic SLT: 2005 GMC Duramax 6.6 Pulling
2005 GMC Duramax 6.6 Pulling codes 1209 and a few 302 306 308 misfired injector codes. What could podssibly be the cause... Changed fuel filter and filled tank up with a different run of fuel....… read more
Gm Tech (Cam)
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GMC Mechanic
Vocational, Technical or Trade Scho
31,048 satisfied customers
GMC k3500: 05/05 GMC k3500 6.6 turbo diesel LLY engine I believe. Engine
05/05 GMC k3500 6.6 turbo diesel LLY engine I believe. Engine codes p0193 , p0642 , p1404 Intermittent problem. Upon start up idle is rough - like a missing cylinder. In drive problem goes away. Will … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
31,048 satisfied customers
GM Kodiak c: I ran out of fuel in a 6.6 Duramax with an Allison
I ran out of fuel in a 6.6 Duramax with an Allison A/T. Filled both tanks with fuel, primed the filter and engine cranked and runs fine. It revs to about 3500 RPM. When I drive, first gear is normal, … read more
Gm Tech (Cam)
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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
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GMC K2500 4x4: 2005 6.6 Duramax - it has suddenly begun to
2005 6.6 Duramax - it has suddenly begun to run rough and at times appears to lose power momentarily - i have changed the fuel filter and air filter - still the same problem Any ideas?… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
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GMC C5500: I have a 2006 c5500 flatbed 6.6 duramax allison
I have a 2006 c5500 flatbed 6.6 duramax allison auto that has an innaccurate fuel gauge.It operates till it gets to half tank than stays there.On more than one occassion i have run out of fuel.This is… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
31,048 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

31,048 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

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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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