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Related Medium and Heavy Trucks Questions
C15 cat not starting it's cranking but not staying at all,
C15 cat not starting it's cranking but not staying at all , when I plug in my computer I got jpro and it's saying cylinder #1 , 2 ,3 ,4 flash code 72 .73 and 74 injector current high .… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I am having the same exact issue. 02 gmc c6500 cat 3126
02 gmc c6500 cat 3126 crank no start or start and sputter out. Flash codes 58 72 73 74 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2002 gmc C6500 with a 3126 CAT it idled rough 2
I have a 2002 gmc C6500 with a 3126 CAT it idled rough 2 days ago but smoothed out. got up the next day would crank but wouldn't start waited for about 2 hours and it started. It Started idling rough … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
My engine light is on at idle you throttle up it's on when
My engine light is on at idle you throttle up it's on when you let up it goes out truck runs rough Loss of power … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Cat c7 kal54451 250 hp engine stumbled and shut down with no
cat c7 kal54451 250 hp engine stumbled and shut down with no exhaust smoke et shows all 6 injectors open during solenoid test but the all are clicking during the test they all buzz when key is turned … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
1999 cat 6nz acted like it was running out of fuel and died,
1999 cat 6nz acted like it was running out of fuel and died, driver ran it out of fuel last nite but ran all day today, shop thinks ecm out, not trusting shop … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Truck is a 2004 FL with C7 Cat, engine cranks but won't
Truck is a 2004 FL with C7 Cat, engine cranks but won't start. After several tries it will start, run for 5 to 10 minutes, and then shut off as if you turned the key off. I have replaced the timing se… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Just replaced Injector #5 on a cat C-7 and i need dialing in
Just replaced Injector #5 on a cat C-7 and i need dialing in specs??? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2007 frt with c13 cat Have 6 codes logged I can
I have a 2007 frt with c13 cat Have 6 codes logged I can clear them but when I start trk codes come back Truck has no power and no accelerate pedal although on scan tool the tps is working I have repl… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have 2002 gmc c6500 diesel rollback that the speed keeps
I have 2002 gmc c6500 diesel rollback that the speed keeps kicking in and out on tha highway and every time it does it the check engine light pops on.had the turbo checked and it seems to be fine.its … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 5EK 3406E and I just did an overhead and changed
Hi there, I have a 5EK 3406E and I just did an overhead and changed fuel filters and now its running very rough and throwing me a code 73. I took the middle valve cover off and wiggled the injector wi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
1996 international navistar 4700 DT444E i have a a/c problem
1996 international navistar 4700 DT444E i have a a/c problem no voltage to clutch looking for wiring diagram last 8 0f vin # *****… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
It ran rough with the engine light on now it runs good annd
it ran rough with the engine light on now it runs good and light flashes one time every 5 ...it seems to run good it revs to 2100 with out missing at stand still. the answer is taking entirely tooooo … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
good day....we have a 2002 sterling, 3126 cat engine. It will
good day....we have a 2002 sterling, 3126 cat engine. It will start and then quit. now seeing error code ecu 128.......we have changed oil/filter and then parked the truck. Went to start to day....wil… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Freightliner fl70: my truck is having a problem the truck start
my truck is having a problem the truck start but then shut off and wont start again and if I let it sit for 5 minutes the truck starts again but shut off again and it look is fuel but have chage the p… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2009 cat c7. A cam follower failed. I will need info
I have a 2009 cat c7. A cam follower failed. I will need info on removing the hp fuel pump, its part way out but seems like theres something that needs to be released. I will also need to know how to … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2005 Bluebird caterpillar C7 Acert Ser. # XXXXX Cha.
2005 Bluebird caterpillar C7 Acert Ser. # XXXXX Cha. Ser # XXXXX DOB 6-04 Customer said was driving and died, will turn over but not even try to start, turn key to on gauges cycle and ser. eng. light … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have an 04 peterbilt throwing codes 34 73 72 74 and 34 if
I have an '04 peterbilt throwing codes 34 73 72 74 and 34 if I've understood how to retrieve the codes correctly... can somebody tell me what they mean?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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Cat Man

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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

cumminsdr

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Curtis B.

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

Chris (aka-Moose)

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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