GM

GM repair problems? Ask a GM repair expert now.

Ask an Expert,
Get an Answer ASAP!

Related GM Questions
I have replaced the 2.2L Ecotec non-vvt engine in my 2007
I have replaced the 2.2L Ecotec non-vvt engine in my 2007 Pontiac G5 with a functional junkyard 2.2 L Ecotec vvt because it was the only thing available. I left the original wiring harness in the vehi… read more
Jerry Newton
Jerry Newton
Vocational, Technical or Trade Scho
5,406 satisfied customers
Hummer H3: My 2006 H3 Hummer 3.7 L has been giving me problems
My 2006 H3 Hummer 3.7 L has been giving me problems with the electrical Fuse/Relay Box, i ordered a replacement that was made for a 2007 H3 but it isn't working out; the relays are different and are f… read more
Chris (aka- Moose)
Chris (aka- Moose)
GMC Technician
Vocational, Technical or Trade School
234 satisfied customers
GM yukon: Hi I have a 2001 Yukon 5.3 liter. The "Reduced Engine
Hi I have a 2001 Yukon 5.3 liter. The "Reduced Engine Power" came on last night. The codes are P0430 and P1125. I have not checked any grounds yet. I did clear the codes and they did not return after … read more
Gary
Gary
GMC Technician
Vocational, Technical or Trade Scho
1,561 satisfied customers
I have a 1993 5.7 /350 gmc.truck . I have just rebuilt the moter . It keepes showing th
I have a 1993 5.7 /350 gmc.truck . I have just rebuilt the moter . It keepes showing the code 43 I have replaced computer and prom and distruber ,knock sensor. And I can not find esc module . It is ni… read more
Randy
Randy
619 satisfied customers
GM saturn aura: i have a 2008 Saturn aura with 2.4 ecotech
i have a 2008 Saturn aura with 2.4 ecotech i have a p0641 but when this code pops up instrument panel say engine is derated and traction is disabled… read more
K. Wiggins
K. Wiggins
ASE Certified Technician
Associate Degree
3,569 satisfied customers
GM 2500 HD: We have a 2008 Chevy 2500 HD. Every 400 miles or
We have a 2008 Chevy 2500 HD. Every 400 miles or so we experience reduced engine power. We have replaced the GM throttle motor. Appears to have new APPS. It has a new pig tail to the throttle motor. T… read more
Hal
Hal
owner/service tech
Vocational, Technical or Trade Scho
925 satisfied customers
2010 Chevrolet Tahoe: light comes..disconnect..problem comes back
I have a 2010 Chevrolet Tahoe which runs on Bio-Ethanol & Gass, i don't know if that matters. But i keep getting "Engine Power Reduced" and the "Stabilitrack" light comes on. When i disconnect the bat… read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,844 satisfied customers
gmc sierra 1500: throttle bottle, ecm, spark plugs,& fuel filter
I have an 03 gmc sierra 1500hd. It keeps going into reduced engine power mode. I've changed throttle bottle, ecm, spark plugs,& fuel filter. I can however fix the problem temporarily by pushing in the… read more
mechanic110
mechanic110
Auto Technician
Vocational, Technical or Trade Scho
134 satisfied customers
2001 yukon: 2wd..traction control..sensors, the one..throttle body
I have a 2001 yukon 2WD with 5.3 liter engine with electronic ignition and traction control. I keep getting the ENGINE SPEED TO HIGH and it cuts the throttle off. I have changed both sensors, the one … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
2004 GMC Yukon: engine power..traction control light came on
At start up my 2004 GMC Yukon gave a "reduced engine power" reading on the dash. The engine light as well as the traction control light came on. I could not go over 1500 rpms. After driving a little I… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
2007 GMC yukon: Traction Control..car runs great..truck runs poorly
I have a 2007 GMC yukon xl with 80k miles on it. The "Reduced Engine Power" light has been coming on as has the "Service Traction Control" signal. Half the time these lights do not come on and the car… read more
Dan
Dan
High School or GED
2,257 satisfied customers
2006 GMC: 4x4..ignition switch..the pedal position sensor..dash lights
my 2006 GMC 4x4 envoy HAS THROWN MORE CODES THAN A SPY. first they replaced the PCM twice, then the throttle body then the ignition switch then the pedal position sensor then the fuel tank sensor and … read more
Amedee
Amedee
GMC Technician
Vocational, Technical or Trade Scho
470 satisfied customers
Yukon Denali: Starting at 22,000 mi..pwr..stability system..accelerate
Have a 06 Yukon Denali with a recurrent issue. Starting at 22,000 mi. I have had problems with random loss of engine pwr, stability system and inability to accelerate. Truck will rough idle but can't … read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
2004 yukon: hey..awhile..nomal driven is fine i can floor it..tune
hey i have a 2004 yukon with A 4.8 and im haven the same code keep coming up about the tbs sensor and iv changed it awhile back and did it again and changed it about a few weeks ago and now doing it a… read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,844 satisfied customers
1986 GMC S15: 2.8L fuel pump will not work..bypassed..signal
My 1986 GMC S15 2.8L fuel pump will not work without being bypassed. The relay does not get the signal as far as I can tell to switch the pump on. - It does not appear to be the relay. I swapped it wi… read more
Amedee
Amedee
GMC Technician
Vocational, Technical or Trade Scho
470 satisfied customers
Avalanche..reduced engine power..the TAC module and put di..grease
my 2003 avalanche has a code p1518 and in the dash it says reduced engine power and i cant go over 20km, so far what i've done is a new battery,took the plug off the TAC module and put di-electric gre… read more
John
John
MASTER AUTOMOTIVE TECHNICIAN
2 YEARS COLLEGE
8,101 satisfied customers
1988 GMC: 000 miles on it..Coolant leaked into #7 cyl,parked truck
I have a 1988 GMC K1500 5.7 Truck has 320,000 miles on it. Coolant leaked into #7 cyl,parked truck for a year and a half or maybe more,but more than two years. Just installed a GM long block crate eng… read more
John
John
MASTER AUTOMOTIVE TECHNICIAN
2 YEARS COLLEGE
8,101 satisfied customers
2006 GMC Envoy: My check engine light..my engine..arrow
I have a 2006 GMC Envoy. My check engine light is on, my traction control light is on, and my engine with the lockdown arrow light is on. It will not go more than 20mph.… read more
GMTechBernard
GMTechBernard
Owner / Technician
High School or GED
2,157 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.

Todd LRochester NY

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

GMC Mechanic

5,844 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

GMC Technician

1,561 satisfied customers

15 years gm master tech/15 years ASE master tech

car tech

car tech

ASE Certified Technician

449 satisfied customers

25 year master tech and shop owner

Chris (aka- Moose)

Chris (aka- Moose)

GMC Technician

234 satisfied customers

16 years of experience

Paul M ASE Master

Paul M ASE Master

ASE Master Tech

187 satisfied customers

ASE Master Tech 20+ Years

Anthony

Anthony

GMC Technician

489 satisfied customers

GM Certified

Amedee

Amedee

GMC Technician

470 satisfied customers

ASE certified tech with advanced level specialist. Wisconsin certified emissions state inspector

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x