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My 2003 GMC Duramax went into limp mode. The codes are
My 2003 GMC Duramax went into limp mode. The codes are P0202, P0203, P0205, P0208, P2149, and P0380. I inspected the wiring harness to the FICM and found no issues. The Mega Fuse is only a 100 amp, bu… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,989 satisfied customers
2004 gmc 2500hd 6.6 vin 1. Just got done replacing the
2004 gmc 2500hd 6.6 vin 1. Just got done replacing the injectors on the truck. I did the injectors the injector cups the injector hard lines fuel filter. I made sure to take my time made sure everythi… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
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I have a 2005 yukon denali xl. It refuses to start,i sent it
I have a 2005 yukon denali xl. It refuses to start,i sent it in to a garage and they replaced the fuel pump, but told me that they were having problems with not getting any power to the dash. They fin… read more
Amedee
Amedee
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Vocational, Technical or Trade Scho
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Ahna, my issue is regarding a 2000 yukom denali that wont
ahna, my issue is regarding a 2000 yukom denali that wont stay runnng. replaced the fuel pump, lines, and fuel filter and just put on new o rings. will crank when you put gas in the carburator but shu… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
What can it be. Driving on the ghway at about 55 miles a
What can it be. Driving on the highway at about 55 miles a hour when I hear a knock coming from the engine. I pull over and shut engine off thinking it could be low on oil. Check oil and it was full. … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
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2005 GMC Envoy Denali 5.3, Was driving down ghway when motor
2005 GMC Envoy Denali 5.3, Was driving down highway when motor shut off. Barely made it to side of road. Tried to restart, turned over a few time but never ran. Now when try to start it does nothing. … read more
Triston
Triston
High School or GED
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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.
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Vocational, Technical or Trade Scho
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We have a 02 GMC Sonoma with 4.3 engine that has had the Fuel
We have a 02 GMC Sonoma with 4.3 engine that has had the Fuel Pump replaced and Spider Injector Cluster Replaced. The vehicle still will only start when have carb cleaner sprayed into the throttle bod… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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GMC Yukon XL 1500: I am getting P0306 error code and 02 sensor
I am getting P0306 error code and 02 sensor code. Motor shakes and stutters under load. Shifting is erratic - Sometimes smooth, sometimes hard. Exhaust stinks like rotten eggs. Replaced 02 sensors - c… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
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GMC 2500 HD 6.6: hi my name is***** have a 2001 6.6 turbo
hi my name is***** have a 2001 6.6 turbo diesel right now is putting out a lot of white smoke which tells me that the injector but went out to start it and once it started it was making a loud popping… read more
sprinkles08
sprinkles08
Technician
High School or GED
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GM Yukon denali: I had a tuneup in the past 6 months but right
I had a tuneup in the past 6 months but right after a check engine light has been on every since my horn went out the truck jerks while driving (01 yukon denali) and when driving I feel it doesn't pic… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
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GMC Yukon Denali: Hi: My 2003 Denali sat (unfortunately
Hi: My 2003 Denali sat (unfortunately ) for approximately 2+ years (maybe 2 years, 3 months) without moving. It was recently towed (flatbed) and then towed again to a mechanic my father (not me) has b… read more
Anthony
Anthony
Master Automobile Technician
Vocational, Technical or Trade Scho
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GMC Sierra 2500 HD Classic SLT: I have a 2003 2500 HD with
I have a 2003 2500 HD with duramax deisel. At 194,405 km, Sept 09, engine smoking and I had all 8 injectors replaced plus three injector sleeves, work by GMC dealer. At 268,842 km, 15 May 12, engine s… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,989 satisfied customers
03 Denali sat for 2 years ... corroded fuel lines??
Hi: My 2003 Denali sat (unfortunately :headshake) for approximately 2+ years (maybe 2 years, 3 months) without moving. It was recently towed (flatbed) and then towed again to a mechanic my father (not… read more
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Associate Degree
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GMC Envoy SLT: Cam, I have a 2002 GMC Envoy SLT, 6-cyl SUV.
Cam, I have a 2002 GMC Envoy SLT, 6-cyl SUV. Got 175K miles. Installed NEW Fuel Pump, New Fuel Filter, New Iridium Spark Plugs. However, the car has these issues: 1. Rough Idle ar Cold Start in the mo… read more
Randall C
Randall C
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Vocational, Technical or Trade Scho
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GMC Yukon SLT: i have a mass air flow sensor code with an engine
i have a mass air flow sensor code with an engine light comming on. new plugs wires and airflow sensor. garage flushed injectores when vehicle had very little fuel in the tank. Symptoms are engine spu… read more
Mike S.
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i have a 2005 gmc envoy with a misfire on #2 cylinder 4.2L.
i have a 2005 gmc envoy with a misfire on #2 cylinder 4.2L. here is everything checked or replaced.. 1. spark plugs replaced 2. coil pack replaced 3. injector replaced 4. compression 125lbs 5. smoke c… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,989 satisfied customers
GM yukon 2001 yukon wont start. There is fuel and spark but
2001 yukon won't start. There is fuel and spark but seams like the injectors don't stay on… read more
Dan
Dan
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Vocational, Technical or Trade Scho
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,989 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

63,629 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

259 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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