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Just had the manifold s replaced now idle up and down some,
Just had the manifold s replaced now idle up and down some … read more
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David Craig
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I am experiencing a no start issue with my 1990 Gmc 5.7 350
I am experiencing a no start issue with my 1990 Gmc 5.7 350 TBI. The throttle body injectors are not spraying fuel upon starting. Engine will very rarely start on its own.… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
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,i'm eric i have a 1191 gmc 1500 pick up,i have no dash,roof
hi,i'm eric i have a 1191 gmc 1500 pick up,i have no dash,roof and taillights.i just replaced the headlight switch and checked fuses… read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
37,740 satisfied customers
GMC 2500: I have a bobble in my motor at speeds 45 to 55. I
I have a bobble in my motor at speeds 45 to 55. I have replaced the front o2 sensors a cam p sensor a idle p sensor and a idleair switch. and I steel have a problem.This is on a 98 GMC 2500 ,350 vorte… read more
Chris (aka-Moose)
Chris (aka-Moose)
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how can I change spark plugs on a 2004 gmc 5 cyl vortex engine if posable I would like to see it by photo step by step. thanks… read more
Ron Z.
Ron Z.
- GMC Tech -
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GMC Sierra: I have a 93 GMC Sierra 1500 with a v6 tbi, not
I have a '93 GMC Sierra 1500 with a v6 tbi, not sure what transmission but it's an automatic. Is it possible to put a '60s 327 in it with 2 bolt main? What components and process would it take to make… read more
George H.
George H.
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Associate Degree
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GMC C1500 Sierra 4x4: I have a 87 gmc that I put a tbi 350
I have a 87 gmc that I put a tbi 350 in it. The fuel relay is never kicking on. on the relay the ground wire is hot and so is the org wire. And the fuel pump is good… read more
Canadafix
Canadafix
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Vocational, Technical or Trade Scho
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GMC 1500 Series: I didnt have time to remove the spark plugs,
I didn't have time to remove the spark plugs, but I did restart the engine about 5 hours later after it had cooled down completely. It started missing again on cold start-up. I pulled the temp harness… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
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gmc suburban: hi my 1995 gmc sub k2500 4x4 stalls after put
hi my 1995 gmc sub k2500 4x4 stalls after put in gear. ican also notice lack of hp and a smooth ideal. i've rpls the spark plugs, wires, distributor coil, fuel filter and cleand the TBI, but all didn'… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
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GMC Sierra 1500 Classic SLE: hello i have a 1992 gmc 1500 with
hello i have a 1992 gmc 1500 with 350 auto. i want to install a 383 stroker but nobody can tell me what changes i need to make in voling the computer system if any.i plan to keep the tbi system.please… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra: I have a 1993 GMC sierra it has/had a 5.7 TBI motor
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tripletauto
tripletauto
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Associate Degree
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I have an automatic GMC Sierra Pickup Truck and the driver
I have an automatic GMC Sierra Pickup Truck and the driver side window rolls down but I am unable to roll it back up. Please advise.… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
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GMC 2500 Series: My 1990 gmc k2500, gets plenty of fuel and
My 1990 gmc k2500, gets plenty of fuel and spark, but it will not start??? I just swapped heads from another truck.. No leaks, number one cylinder was top dead center, marked distributor, but I put it… read more
Mike S.
Mike S.
Vocational, Technical or Trade Scho
8,113 satisfied customers
GMC: HELLO, I HAVE 1994 GMC TRUCK WITH A 5.7 350 MOTOR WITH
HELLO, I HAVE 1994 GMC TRUCK WITH A 5.7 350 MOTOR WITH TBI AND I WANT TO SWAP THE MOTOR OUT WITH A 2000 CHEVY 5.7 VORTECH MOTOR. I ALREADY BOUGHT A GM PERFORMER INTAKE SO I CAN USE MY EXISTING TBI INJ… read more
Hal
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Vocational, Technical or Trade Scho
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GMC Envoy XL: I have a 2005 Envoy XL. Yesterday I parked,
I have a 2005 Envoy XL. Yesterday I parked, removed keys and lovked the doors. As I walked away my friend screamed your car is rolling. It was and stopped just an inch or less from another vehicle in … read more
Dave Nova
Dave Nova
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Associate Degree
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I am having trouble getting the vacuum lines hooked up in the correct positions for everything to work on a 1984 GMC 3/4 4x4. It has AC and automatic transmission. It has an EddleBrock 4 barrel carb (… read more
Ridgerunnerras
Ridgerunnerras
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i have a 95 gmc 3/4 ton vandura g2500 350 v8 tbi. i started
i have a 95 gmc 3/4 ton vandura g2500 350 v8 tbi. i started having trouble with vacuum controls in dash for heat/ac- started checking and found out vacuum reading at idle to about 2000/3000rpm in driv… read more
Canadafix
Canadafix
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GM Suburban K2500: I need to find a sensor, Rt front for a
I need to find a sensor, Rt front for a 1996 GMC Suburban K2500 diesel P/N is 16218905. Does anyone know where I can purchase one to replace my corroded unit?… read more
JHoop
JHoop
Owner,Technician
High School or GED
5,425 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,837 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

705 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

291 satisfied customers

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

JFN1

JFN1

ASE Certified Technician

5,694 satisfied customers

GM Master Technician

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

234 satisfied customers

GM, GMC, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics

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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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