GM

GM repair problems? Ask a GM repair expert now.

Connect one-on-one with {0} who will answer your question

Related GM Questions
GM k2500: I have a 1989 chevy k2500 5.7l v8 tbi. It recently
I have a 1989 chevy k2500 5.7l v8 tbi. It recently started giving me trouble when I was going down the road trying to hold speed (55 mph). The truck would act like I let off the accelerator and start … read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
2,324 satisfied customers
GM silevrado LS: I have a 2004 silversdo with a 4.3 L engine,
I have a 2004 silversdo with a 4.3 L engine, it started ok this morning butas i put it in gear to back out the driveway it started to back fire and wanted to stall so i losen a battery cable for 5 min… read more
Gary
Gary
GMC Technician
Vocational, Technical or Trade Scho
1,561 satisfied customers
I have a low Idel miss on a GMC 4.3 L engine, have checked
I have a low Idel miss on a GMC 4.3 L engine, have checked the compression all good. After diognestics read miss No. 3 cylinder, replaced spark plug No.3 still have miss. Where do I go now?… read more
Danny
Danny
Lead mech
Some college
1,094 satisfied customers
lean diagnosis..(#8 driver side toward the firewall) cylinder..highway
My hummer h2 has a lean diagnosis in the (#8 driver side toward the firewall) cylinder only, y Chev shop tells me and they don't know what is causing it. Starts smooth and some times runs smooth, then… read more
Dave Nova
Dave Nova
Auto Dealership Owner
Associate Degree
17,291 satisfied customers
2001 gmc: runs fine..it warms..check engine light comes..cyl 1,3,5,7
i have a 2001 gmc seirra with a 5.3 liter in runs fine when cold after it warms-up it runs rough. check engine light comes on and the code says it is a random miss fire on cyl 1,3,5,7 and also to lean… read more
Dan
Dan
High School or GED
2,257 satisfied customers
1991 GMC: I replaced idle air solenoid and throttle..rough idle..rpm
1991 GMC 1500 Sierra with 4.6 L engine. I replaced idle air solenoid and Throttle solenoid. The Truck still has rough idle and no pick up. The RPM needle bobs up and down on idle. No check engine ligh… read more
Dave Nova
Dave Nova
Auto Dealership Owner
Associate Degree
17,291 satisfied customers
1998 GMC Suburban: 4x4..spark plugs..fuel filter and o2 sensor
I have a 1998 GMC Suburban 1500, 4x4. It has been missing and getting worse for months. Changed wires, spark plugs, distributor cap and button, fuel pump, fuel filter and O2 sensor. Yesterday backfiri… read more
GM Tech (Cam)
GM Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
5,844 satisfied customers
2000 GMC Sierra 1500: 000 miles..stalls..Manifold..Spark Plugs
I have a 2000 GMC Sierra 1500 with almost 200,000 miles on it. It has a propane option on it, but I mostly run gasoline. When the truck runs for awhile and gets hot (not overheating), or it is hot out… read more
Joe  Barfield
Joe Barfield
Retired-Disabled
Master Aamco
1,303 satisfied customers
my truck..speed sensor egr valve..o2 sensor..power and as for idling
my truck kepps popping up a code 12 i have replaced speed sensor egr valve tps plugs wires distributor cap and rotor button o2 sensor and a few other parts as well but it keeps running like shit if i … read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
2,324 satisfied customers
1993 GMC: bogs..RPM...5.7 350, two wheel drive..automatic..000 miles
I have a 1993 GMC Sierra that bogs when cold and misses around 1400 RPM. It has a 5.7 350, two wheel drive, automatic, and about 191,000 miles. It misses around 1400 RPM warm or cold. I changed the O2… read more
mcgruder73
mcgruder73
Auto Technician
Associate Degree
GMC C2500: 4x4..cab, automatic, 7.4 L engine..acceleration..rotor
1993 GMC C2500, 4x4 extended cab, automatic, 7.4 L engine Engine stalls under heavy acceleration. Recently installed a new distributor, distributor cap and rotor, plugs, wires. New fuel filter, fuel s… read more
mcgruder73
mcgruder73
Auto Technician
Associate Degree
96 S10: V6..IT WONT START IT ACTS LIKE THE TIMING..CRANK SENSOR..ECM
I HAVE A 96 S10 VORTEC V6 4.3 IT WONT START IT ACTS LIKE THE TIMING IS ADVANCED IT BACKFIRES AND KICKS BACK WHEN TRYING TO START I HAVE REPLACED THE CRANK SENSOR THE SENSOR IN THE DISTRUBTOR THE IGNIT… read more
mcgruder73
mcgruder73
Auto Technician
Associate Degree
1991 gmc sonoma: fuel pump..it runs rough backfires and stalls out
1991 gmc sonma, replaced the fuel pump, the engine back fires through the fuel body will idle but when throttled up it runs rough backfires and stalls out. any thoughts???… read more
John
John
MASTER AUTOMOTIVE TECHNICIAN
2 YEARS COLLEGE
8,101 satisfied customers
1997 k1500, z71/auto, only trouble code..backfires..acceleration
1997 k1500, z71/auto, only trouble code on generic scanner is "random multiple cylinder misfire". Symptom is when minimum throttle is applied to maintain speed, engine backfires like a machine gun. Wi… read more
Triston
Triston
High School or GED
1,613 satisfied customers
1991 GMC: 4x4..backfires if I step on the accelerator..warmed
I have a 1991 GMC 4x4 with a 5.0 litre engine. When I start it in the morning it runs really rough, and backfires if I step on the accelerator for the first two or three minutes then it has warmed up … read more
Hank B
Hank B
Owner/ Technician
Vocational, Technical or Trade Scho
109 satisfied customers
blown..module..has good fuel pressure runs at low speed but falls
2003 jimmy 4.3 has blown its 3ed ignistion module? has good fuel pressure runs at low speed but falls on its face when gassing it. has taken out last two over 65 days they last about 30 days.… read more
RussMasterTech
RussMasterTech
GM Service Technician
3 Years College
546 satisfied customers
000 miles..towing, after about 15 miles truck will loose power
95 Sub. 148,000 miles on Jasper engine. When towing, after about 15 miles truck will loose power and back fire. This only happens when towing. I have replaced fuel pump/sending unit, both injectors, h… read more
mcgruder73
mcgruder73
Auto Technician
Associate Degree
88 suburban: rough..dist cap, rotor button, plugs, fuel filter
88 suburban, runs very rough- changed dist cap, rotor button, plugs, fuel filter. NO codes coming up could odo1 be bad?… read more
mcgruder73
mcgruder73
Auto Technician
Associate Degree
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