Medium and Heavy Trucks

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Nich. I have a sterling 2007. With the cat c7. Crank but no
Goodmorning Nich. I have a sterling 2007. With the cat c7. Crank but no start. My desired injection actuation pressure is 1449psi . My injection pressure is staying right at 271.1psi. I'm thinking it … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
99 cat 2ws recently rebuilt top end, new head injectors,
99 cat 2ws recently rebuilt top end, new head injectors, cam. Truck has ran fine until just now, seems to be fuel related. It runs but will start idling rough then die while idling. If I prime it it w… read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
8 satisfied customers
Truck will start on either but won't stay running. Died
Truck will start on either but won't stay running JA: What have you tried so far? Are you fixing your vehicle yourself? Customer: died going down the road yes sir JA: Anything else you want the Mechan… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Cranks then dies. Just installed a new recon pcm. Runs a few
Cranks then dies. Just installed a new recon pcm. Runs a few seconds and dies. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
HAVE 2001 PETERBILT 379 WITH C-15 ENGINE WENT TO START THIS
HAVE 2001 PETERBILT 379 WITH C-15 ENGINE WENT TO START THIS AFTERNOON, TURNS OVER FINE BUT WON'T START, SOUNDS … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Got a 2001 gmc topkick with 3126 in it. Was running fine.
Got a 2001 gmc topkick with 3126 in it. Was running fine. Went to start long cranking. Had already run into bad inj actuation sensor couple weeks back. Fixed that. I unplugged the sensor again to test… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have 2005 cat c7 changed the fuel filters and can't get it
Hi I have 2005 cat c7 changed the fuel filters and can't get it primed … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 2008 Sterling Oil truck with a Cat it stalls at
I have a 2008 Sterling Oil truck with a Cat it stalls at idle I have to set the cruise control and bring rpms up to 1000 to keep it running while pumping other than that it runs fine. it bringe up che… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,871 satisfied customers
Has no fuel while cranking. 2004 Chevrolet C-6500 Cat C7.
Replaced high pressure injection pump, blew out the fuel galley in the head … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Cat Man I have a 2000 379 pet c15 6nz11286 ar#184-2649 perf
Hi Cat Man my name is***** have a 2000 379 pet c15 6nz11286 ar#184-2649 perf spec 0k1090-00 truck running perfect just shut down no codes have good power and grounds on pins 52,53,65,67,70 and have go… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Cat Man, I have a 2003 Peterbilt with a CAT C-15 MBN16293,
Hi Cat Man, I have a 2003 Peterbilt with a CAT C-15 MBN16293, the engine will not start. When I turn on the ignition none of the dummy lights come on including the check engine light. The truck igniti… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Cat 3176 no start has fuel pressure of 80 labs but no voltage
Hi cat 3176 no start has fuel pressure of 80 labs but no voltage at injectors 9 pin round connector at head… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
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
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,871 satisfied customers
I need guidance with an 2006 sterling with a c7 cat.
I need guidance with an 2006 sterling with a c7 cat. Initially came in with a dying and customer would wiggle wires and would run. The next day it would not start. In the shop we could unplug and plug… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Cat Man, I'am working on 1999 c-12 CAT serial # *****
Hi Cat Man, I'am working on 1999 c-12 CAT serial # ***** it is in a sterling truck. The engine will start right away but sometimes after about 45 seconds of running it will stall out, if you give the … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
International 2764: cat c10 s/n 3cs03415. seems to loose prime.
cat c10 s/n 3cs03415. seems to loose prime. truck was running bad then finally shut down. found air in filters so changed fuel lines and fixed air in system but still no start. it would almost fire up… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a 2002 Sterling with a C-15 Cat in it. It is a farm
I have a 2002 Sterling with a C-15 Cat in it. It is a farm truck, ran fine when parked in the fall, now it won't start. Turns over, lots of fuel out of the return line at the back of the head. I don't… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a Mercedes 460 in a 07 sterling I developed a fuel leak
I have a Mercedes 460 in a 07 sterling I developed a fuel leak managed to get the truck home but after sitting for 3-4 it lost its prime now can't get it running to find the fuel leak - is there a spe… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
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Daniel Wilson

Daniel Wilson

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Wayne

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Jeremy

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cumminsdr

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Chris (aka-Moose)

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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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