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I have a 2014 GMC Sierra and its showing a P0101 and P0068
I have a 2014 GMC Sierra and its showing a P0101 and P0068 code I have no power won't go over 10mph.… read more
Pete
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Vocational, Technical or Trade Scho
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Am on a trip with 2004 Yukon and I am out west in Rockies. I
Am on a long trip with 2004 Yukon and I am out west in Rockies. I am hauling a trailer. On hills I just seem to lose all compression and the engine sort of stalls. I stopped at an O'Reilly Auto Parts … read more
david craig
david craig
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The heat in the back of my Yukon works great. The air in the
The heat in the back of my Yukon works great. The air in the front is luke warm to cold this winter. I have replaced my cabin filters and the airflow increased but still the same problem exists. … read more
rpmdiag
rpmdiag
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When scanned my vehicle pulls po121 TPS code. I replaced the
When scanned my vehicle pulls po121 TPS code. I replaced the TPS and the code has returned even though the vehicle is running much smoother. I need to rid myself of this code so I can be inspected.… read more
Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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I have a 02 Yukon Denali, air is getting in the engine and
I have a 02 Yukon Denali, air is getting in the engine and it would cut-off. I replaced the air intake duct this morning and the MAF. I drove it around and it hasn't cut-off but it still idles low whe… read more
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GMC: 2007 GMC 2500 HD SLE 6.0 Liter 4 door extra cab. My issue
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GM GMC YUKON: I have a 2003 yukon denali AWD with 155k miles
I have a 2003 yukon denali AWD with 155k miles on it. I am getting a rumbling/vibration in the floor boards and even passenger side dash when I get up around 2600rpm. Once the transmission shifts down… read more
BOBBYSS
BOBBYSS
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GMC Yukon XL 1500: I have an 03 yukon xl, ran great but ps
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Pete
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GMC Sierra Denali: Intermittant Low/Rough Idle - 2004 GMC Sierra
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GMC 2500HD: I have the following codes on my O8 GMC 2500HD:
I have the following codes on my O8 GMC 2500HD: P0121, P0171, P0174, P0573 & P1400. Are any of these going to leave me on the side of the road, and aprox how much will it take to get them fixed?… read more
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GMC Yukon SLT: 1999 GMC Yukon 2WD 5.7l - warm engine, full
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Hello Cam. I have a 2000 Escalade with a random misfire code.
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Gm Tech (Cam)
Gm Tech (Cam)
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Vocational, Technical or Trade Scho
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GMC Yukon XL 1500: 2001 gmc yukon w/ 5.3liter.200,000 miles.
2001 gmc yukon w/ 5.3liter.200,000 miles. Has been well cared for and normally runs great. I've been getting about 13-15 mpg. Cleaned mass air flow sensor 5 days ago. Drove several hundred miles since… read more
Gary
Gary
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HI;MY 2003 GMC -6 LETER ENGINE HAS 2 SENSORS ;1 AT THE THROTTLE
HI;MY 2003 GMC -6 LETER ENGINE HAS 2 SENSORS ;1 AT THE THROTTLE & 1 AT THE AIR CLEANER;WHICH ONE DO I CONNECT MY CHIP TO?THE ONE AT THH AIR CLEANER SEEMS TO BE RIGHT IT HAS 5 WIRES;THE OTHER HAS 8;DON… read more
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GMC Sierra 2500: Trouble code on my truck, I do have an after
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Gm Tech (Cam)
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GMC trailblazer: 06 4.2L boggs down on accelleration
06 trailblazer 4.2L boggs down on accelleration and no power. idles smooth but no power on foot in pedal. will rev at idle up to 4krpm, but in gear no power and less than 2.5krpm. Replaced O2 sens, Ma… read more
Gm Tech (Cam)
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GMC Serria: 1998 GMC Serria 1500, 5.0 V8 stumbles and backfires.
1998 GMC Serria 1500, 5.0' V8 stumbles and backfires. This condition just started on start-up two weks ago (never drove it). I've checked the EGR, Fuel pressure, cat conv, cap & rotor and replaced plu… read more
Gm Tech (Cam)
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GMC Savana 1500 LT: I replaced the fuel filter but still experiencing
I replaced the fuel filter but still experiencing the same problem. Fortunately the check engine light came on. I put my diagnosis computer on the OBDII and here is what it says: P0101 - "mass or volu… read more
Pete
Pete
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Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,824 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

675 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

285 satisfied customers

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

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

230 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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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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