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Related Medium and Heavy Trucks Questions
1991 gmc topkick c6000 6.0l won't start just a click. It
1991 gmc topkick c6000 6.0l won't start just a click. It started fine then the key broke off in the ignition replaced ignition tried to cram the truck it started to turn over I let off the key. Tried … read more
Jeremy
Jeremy
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Associate Degree
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I am looking for a correct part # for a clutch kit for a
I am looking for a correct part # for a clutch kit for a 2000 GMC C8500. VIN ***************** … read more
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Mike
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2004 GMC 6.6 DURAMAXX heard a loud pop from under the hood
2004 GMC 6.6 DURAMAXX heard a loud pop from under the hood and then saw white smoke come from under the hood and then truck stop running. Truck will turn over and attempt to start but each time it sou… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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REPLACING MY PLUGS AND WIRES FOR THE 4TH TIME IN 2 YEARS ON
REPLACING MY PLUGS AND WIRES FOR THE 4TH TIME IN 2 YEARS ON MY TOPKICK 366 V8 DUE TO EXCESSIVE HEAT FROM MANIFOLD THAT BASICALLY WRAPS AROUND PLUGS DOES GM PROVIDE A HEAT SHIELD TO SOLVE THIS PROBLEM… read more
Pete
Pete
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02 GMC C7500 WITH CAT MOTOR. CRANK NO START FUEL IN FUEL
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Cat Man
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2004 ford F550 SD 6.0L VIN# 1FDAF57P64ED51440 Crank no
2004 ford F550 SD 6.0L VIN# ***** Crank no start, I am getting 600psi injection pressure, 14.8% IPR duty cycle, FICM Sync, CMP and CKP Sync, and 0 fuel pulse width while cranking, only codes I am gett… read more
Chris (aka-Moose)
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2003 GMC 6.6 crank no start, not enough fuel rail pressure.
2003 GMC 6.6 crank no start, not enough fuel rail pressure … read more
Cesar Jimenez
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Vocational, Technical or Trade School
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A friend hs a 1992 GMC Topkick Lopro with a 366 V-8. Truck
A friend hs a 1992 GMC Topkick Lopro with a 366 V-8. Truck has been sitting in a lot for three years without a battery and has not been started. I put a battery in this afternoon and cranked her over.… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
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2000 GMC Topkick with 3126 Cat will not start without ether.
2000 GMC Topkick with 3126 Cat will not start without ether. Seems ok once its running but if you slow down to stop it will die and will not restart without ether. Replace the fuel pressure regulator … read more
Cat Man
Cat Man
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I have 3126 cat in 2000 gmc top kick, it died on highway, i
i have 3126 cat in 2000 gmc top kick, it died on highway, i had it scanned no ECM detected, check power at pins on harness that connected to ECM and they had power, i then borrowed a used ECM, it stil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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The cat man are you out their? 1997 GMC Topkick has a 3116
The cat man are you out their? 1997 GMC Topkick has a 3116 Cat electronic injector, like 6.0. Well shut down dose not want to run, was not getting fuel, replace fuel supply pump reman. Not much change… read more
Cat Man
Cat Man
Cat Engine Expert
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Crank No Star, No Rpm reading on dash and no fuel coming out
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Cat Man
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I have a 2004 fuso with the 4.9. 150 miles. Getting a start.
I have a 2004 fuso with the 4.9. 150 miles. Getting a start. Fuel is good and primed not sure where to turn… read more
Daniel Wilson
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I have a GMC 1999 school bus cat 3126 that was not cranking
I have a GMC 1999 school bus cat 3126 that was not cranking consistently when cold, always seemed to crank after warming up. Friend of mine thought that it was the primer fuel pump and we replaced it … read more
Cat Man
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GMC T7500: I have a 2008 GMC T7500 truck. I am having issues
I have a 2008 GMC T7500 truck. I am having issues with the a/c system. The a/c compressor clutch is staying engaged all the time, even when the key is off. It's running the batteries down and it has d… read more
Jeremy
Jeremy
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1996 top kick fuel injection I'm not getting any reading coming
1996 top kick fuel injection I'm not getting any reading coming from my fuel injectors unless I ground to the body. No gas coming out of fuel injectors. Unless I ground to the motor. Could it be a bad… read more
Andy
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Vocational, Technical or Trade School
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Not getting 12V to the 2 throttle body injectors that are connected
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spankyjr1
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94 gmc topkick c6000 with 366 big block. runs very rough at
94 gmc topkick c6000 with 366 big block. runs very rough at idle and most of the time it stalls out. replaced fuel pump, fuel injectors, fuel filter, spark plugs, wires, cap and rotor. replaced air fi… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 satisfied customers

Road Service mechanic for Volvo Construction.

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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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