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Related Medium and Heavy Trucks Questions
Gm I have a 04 GMC c7500 7.2 Diesel engine cranks but will
Gm I have a 04 GMC c7500 7.2 Diesel engine cranks but will not start, I replaced the Heui pump, and no fuel coming … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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03 chev 6500 7.8 isuzu 4 speed auto fuel line rusted between
03 chev 6500 7.8 isuzu 4 speed auto fuel line rusted between water sep and pump repaired and primed but have no fuel rail pressur scaner showes that there is cam and crank signals … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,875 satisfied customers
I have a 2015 N-13 that will not start. I have replace FR
Andy, I have a 2015 N-13 that will not start. I have replace FR sensor, FPRV and I'm only getting 27 lbs on low pressure. Once in a while it crank, and have correct pressure, run only short time- coul… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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2006 7.8 Isuzu turbo Diesel/In a GMC C7500 Topkick. After
2006 7.8 Isuzu turbo Diesel/In a GMC C7500 Topkick. After bleeding out fuel lines when running engine for 5-10 min aprox. It shuts down. And I loose prime. I pump back up and no start unless I hit it … read more
Curtis B.
Curtis B.
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No Cold start 2006 7.8 turbo Isuzu engine /2006 gmc C7500.
No Cold start 2006 7.8 turbo Isuzu engine /2006 gmc C7500 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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I'm having no power/throttle temp light comes on and warning
I'm having no power/throttle temp light comes on and warning chime truck then shuts down !! ((Truck is not overheating temp gauge reading 190-210 no loss of antifreeze). This happened in a 10-15 mile … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Much does this cost for question and answer. What will it
Having cold start problem changed fuel module , checked injectors , bleed air -primed , have firm prime, full battery, replaced lines leaking or possibly … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2005 GMC T7500 7.8 isuzu. Cranks, no start Died quietly as I
2005 GMC T7500 7.8 isuzu. Cranks, no start Died quietly as I was driving … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
3,875 satisfied customers
I HAVE A P1094 CODE THAT WILL NOT CLEAR ON A ISUZU NPR 4HK1.
I HAVE A P1094 CODE THAT WILL NOT CLEAR ON A ISUZU NPR 4HK1. WE HAVE REPLACED INJECTION PUMP, ALL 4 INJECTORS, FUEL PRESSURE REGULATOR THAT GOES ON PUMP. FUEL RAIL SENSOR WAS REPLACED ASWELL. WE OVERL… read more
Jeremy
Jeremy
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We have a 2006 GMC Topkick 6500 with a duramax and changed
We have a 2006 GMC Topkick 6500 with a duramax and changed the fuel filters and can not get it to re prime. Tried using the priming pump but I can not find a bleeder screw. It is not the same pump as … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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05 GMC C7500 C7 Cat...reduced engine power light (arrow down
05 GMC C7500 C7 Cat...reduced engine power light (arrow down engine) flash codes are 6...3...9 with equal 2 second pauses between each number. Cant find codes anywhere online... … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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2007 chevy w4500 loses fuel prime after shut off. will start
2007 chevy w4500 loses fuel prime after shut off. will start on ether and run all day but if you turn it off for over a hour or so it will struggle to start if at all, will start fine if its off for l… read more
Jeremy
Jeremy
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Associate Degree
2,740 satisfied customers
I have a 2006 gmc 6500 with a 7.8 isuzu engine in it. I am
I have a 2006 gmc 6500 with a 7.8 isuzu engine in it. I am looking for information on the operation of the fuel injection. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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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
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Do not have grounds to either solenoids on injection pump
do not have grounds to either solenoids on injection pump they have power but no ground on brown wires. Also getting no power to pump position sensor same thing during cranking. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1994 international dt466 that won't run. It is not
I have a 1994 international dt466 that won't run. It is not getting fuel, I have blown air into the fuel tank to try to prime and it pushes fuel up to the air bleeder on the filter housing. I have not… read more
Curtis B.
Curtis B.
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Associate Degree
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i have a 2001 isuzu ftr 7.8l diesel that will not start
i have a 2001 isuzu ftr 7.8l diesel that will not start after cutting off. Engine will start off of ether. changed fuel filters… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Ok I had a problem with dd15 that its fuel pressure doesn't
Ok I had a problem with dd15 that its fuel pressure doesn't stays. It's hard to start it after 3 hrs and I connect external fuel gauge to in line the pressure fluctuate at the range of 20 psi means it… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

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I am ASE Master Truck Certified.

Wayne

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

Jeremy

Jeremy

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cumminsdr

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Curtis B.

Curtis B.

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

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Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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