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I have a 1997 GMC c1500 5.0. I replaced the cam sensor and
I have a 1997 GMC c1500 5.0. I replaced the cam sensor and now it want crank. It would crank before I replaced it.… read more
Jerry
Jerry
Master Mechanic
Vocational, Technical or Trade Scho
17,221 satisfied customers
I HAVE A 1992 C1500 5.7 IT HAS A REAL BAD IDLE AT START UP
I HAVE A 1992 C1500 5.7 IT HAS A REAL BAD IDLE AT START UP AND WHEN I TURN THE AC ON IT SHUTS OFF SOME TIMES AND WHEN I DISCONNECT THE TIMING PLUG IT RUNS PERFECT. THIS ALL STARTED ABOUT A YEAR AGO WH… read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
37,471 satisfied customers
94 GMC 350 V8 runs fine when cold. Hard to restart and
94 GMC 350 V8 runs fine when cold. Hard to restart and stalls immediately. When I get it running it coughs and skips. Plugs, cap, rotor, PCV, plug wires, all filters less than a year old. No apparent … read more
K. Wiggins
K. Wiggins
ASE Certified Technician
Associate Degree
3,571 satisfied customers
I have a older GMC sierra K1500. The truck is a 1993 with
I have a older GMC sierra K1500. The truck is a 1993 with the 5.7 liter 350. When I start it cold it goes on high idle right away than settles down about 300 to 400 rpms after about 10,15 seconds. Aft… read more
Greg Jensen
Greg Jensen
Associate degree
12 satisfied customers
GMC c1500: My 92 gmc c1500 with 4.3 engine quits running while
My 92 gmc c1500 with 4.3 engine quits running while going down the road. No missing or sputtering. Engine dies just like ignition was turned off. It restarts after about 45 minutes and runs fine until… read more
jazzmaster
jazzmaster
LEAD AUTO TECH
Vocational, Technical or Trade Scho
2,323 satisfied customers
95 gmc 2500 5.7*****bucks when decelerating has new
95 gmc 2500 5.7*****bucks when decelerating has new tps map egr idleair both sensors on intake and head new fule pump filter regulator tride difrent ecm also new distributor… read more
Expert
Expert
GMC Chevy c1500: 1993 chevy c1500 pickup 350 engine, starts
1993 chevy c1500 pickup 350 engine, starts up fine, push the brake and it stalls, cant find any vacuum leaks… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra 1500 SLE: my 95 gmc sierra p/u check engine light
my 95 gmc sierra p/u check engine light is on. the codes were iac and low manifold pressure. One problem is that the veh idle will not come off of 1000. another is upon punching it to accel into traff… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
GMC C1500 4x2: I have a 1994 GMC Sierra C1500 5.7L truck.
I have a 1994 GMC Sierra C1500 5.7L truck. It dies out on me when idling or if I stop at traffic lights. It did not pass CA Smog because of low CO2 and high Hydro Carbons. The temp gauge was not worki… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
GMC Seara 1500: I have a 1994 GMC seara 350 it starts and will
I have a 1994 GMC seara 350 it starts and will run at idle just fine. but as soon as I put it in gear it will start running ruff, and if I try to drive it is hard to get it above 40 MP nut as soon as … read more
Jerry
Jerry
Master Mechanic
Vocational, Technical or Trade Scho
17,221 satisfied customers
GM: 98 5.0 vortec loss of power at take off but good power
98 5.0 vortec loss of power at take off but good power at higher rpms. i cant figure out what is going on. i have replaced all of the listed: catalytic converter, MAF, IAC, TPS, EGR, converted to MFI … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,925 satisfied customers
GMC: Im having a problem with my 1990 GMC sierra 1500. It
I'm having a problem with my 1990 GMC sierra 1500. It has a 5.7L It has had an intermittent idle problem since may. I've replaced all sensors/controls. Rebuilt the TB. Replaced the ECM, MAP sensor TPS… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
GMC Safari: 93 GMC Safari 4.3LV6 W Series CMFI. Intermittent
93 GMC Safari 4.3LV6 W Series CMFI. Intermittent IAC code 35. Replaced IAC...made mistake of not setting to 28mm initially (was at about 31mm or so). Code came back. Pulled IAC (BWD unit), set to 28mm… read more
K. Wiggins
K. Wiggins
ASE Certified Technician
Associate Degree
3,571 satisfied customers
GMC Suburban K25/K2500 4x4: i have a 1997 GMC Suburban 2500
i have a 1997 GMC Suburban 2500 with a 5.7litre. when the engine warms up it starts to stagger and doesn't run smooth until higher rpms. It stumbles when in gear and comes close to stalling.… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
GMC Safari AWD: I have a 1997 GMC Safari AWD, just put in a
I have a 1997 GMC Safari AWD, just put in a new set of intake gaskets, changed all four oxegen sensors, throttle pos. sensor, idle sensor, mat sensor, new plugs and wires, new rotor button and cap, ne… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
GMC Yukon SLT: Just got a 95 GMC Yukon SLT. periodic check
Just got a 95 GMC Yukon SLT. periodic check engine lite with codes 33 and 35. What direction do I need to go? Looking for a good mechanic in Sonoma County.… read more
Hal
Hal
owner/service tech
Vocational, Technical or Trade Scho
925 satisfied customers
My 1995 GMC 350 Suburban C1500 does loose power while driving
My 1995 GMC 350 Suburban C1500 does loose power while driving and dies. This issue started about 3 weeks ago. I replaced the fuel filter. Spark plugs & wires, distributor cap & botton, air filter, pcv… read more
Canadafix
Canadafix
Auto shop owner
Vocational, Technical or Trade Scho
1,507 satisfied customers
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)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,823 satisfied customers
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,823 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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