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C12 cat around 20 psi fuel pressure running rev up goes up
c12 cat around 20 psi fuel pressure running rev up goes up in smoke new fuel pump and primer housing… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
On a c-12 cat is there a schematic on what pins should have
on a c-12 cat is there a schematic on what pins should have power from ecm to turn on injectors i have a c-12 that cranks no start and no codes only fires on ether… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I have a 2004 international 4300 with a dt466e motor, 6
I have a 2004 international 4300 with a dt466e motor , 6 speed manual, rollback tow truck. 343000 miles (jasper replacement motor at 212000 with new injectors and reman garrett turbo) and just recentl… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I just bought a 95 freightliner with an N-14 cummins engine.
I just bought a 95 freightliner with an N-14 cummins engine. Engine ran fine for about 100 miles at 1700 rpm. Then I couldn't get over 1500 rpm for about 50 miles, then 1200 rpm for about 50 miles . f… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have a 1992 gmc topkick grain dump with a 3116 cat engine.
I have a 1992 gmc topkick grain dump with a 3116 cat engine. I recently had to have the fuel pump replaced. When I first picked it up it died out on me and they had to replace the fuel filter housing,… read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
How is your service priced? Cat 3126 in '99, Trying to! New
Trying to! New speed/timing sensor, new fuel transfer pump, checked power to ecm (from harness side), pin 70 has 9.8 to 10 volts when cranking, Fuel restrictor at back of head works, with no sign of metal fragments. Also, sprayed contact cleaner on both ECM pins and sockets. This cat 3126 is in '99 GMC. Engine serial #7AS79444. Oh, cannot check flash codes as vehicle does not have cruise control. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I am working on a truck company whose employees changed the
I am working on a truck for a company whose employees changed the battery and hooked it up wrong and shorted out some things and the truck wouldn't run. I narrowed the problem down to the ecm. After r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I have a c12 cat in a 2000 sterling. was running fine then
i have a c12 cat in a 2000 sterling. was running fine then it just shut down. now it turns over but wont run. replace computer will not hook up to ecm. took ecm off and had local dealer hook up to it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Have a c12 cat in 2000 sterling check engine light flashed
Have a c12 cat in 2000 sterling check engine light flashed then stop engine came on and shut the truck off just like someone turned the key off. now it cranks and wont start..took ecm off took it to c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I think i have a wiring problem, I have 2000 sterling with
I have 2000 sterling with c12 cat..check engine light came on then stop engine...truck shut off and wont start...just cranks over … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
MY 99 C12 AT ROAD SPEED RUNS GREAT THEN OUT OF NO WHERE IT
MY 99 C12 AT ROAD SPEED RUNS GREAT THEN OUT OF NO WHERE IT LOSSES POWER AND STARTS MISSING ,NO ENGINE LIGHT ,PULL OF ROAD SHUT ENGINE DOWN REBOOT ECM AND CAN GO WITH NOW PROBLEM AGAIN FOR ANYWERE FROM… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
We have a 2000 KW T2000 w/ a C12 in it. Picked up used truck
We have a 2000 KW T2000 w/ a C12 in it. Picked up used truck and ran it 85 miles home. On the way the coolant temp gauge stopped working. We hot it home, did an oil change,fuel filter change"all cat f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
Cat man. On a 2008 c13 engine it has intermittent no start.
Good morning Cat man. On a 2008 c13 engine it has intermittent no start. Change the two check valves on the primary filter one towards the back and the other on top towards the front. Still does it. L… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
Freightliner 99 classic fld - cat engine - died on the road
freightliner 99 classic fld - cat engine - died on the road and won't restart. check engine light comes on with key, so ecm must have power… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
I have a 1999 cat 3406 e the esn is 9ns18772.The truck was towed to our shop.The truck has
I have a 1999 cat 3406 e the esn is 9ns18772.The truck was towed to our shop.The truck has had the fuel pump replaced ,filters and handprimer pump and base.I put a clear line between the pump and filt… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
Got a cat c12 1999 replaced ecm now it starts on ether and
Got a cat c12 1999 replaced ecm now it starts on ether and runs fine have driven it two weeks like this. Fuel pressure is good. Cranking speed is about 200 to 231 it tries to start but just won't ligh… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
9,557 satisfied customers
2007 International at idle skips and bowl on fuel filter behind
2007 International at idle skips and bowl on fuel filter behind cab is all the way down to bottom? Has a ism engine… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Hi I have a 1996 t444e international with a 5 speed standard
Hi I have a 1996 t444e international with a 5 speed standard trans. Truck ran great and about two weeks ago developed a skip while driving. Changed oil, filters and truck runs smooth again but is very… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

Cat Man

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I am ASE Master Truck Certified.

Wayne

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Jeremy

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cumminsdr

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Curtis B.

Curtis B.

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dieseldan55

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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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