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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
10,213 satisfied customers
I have a 5EK 3406e that I cannot seem to get to run
Hello there, I have a 5EK 3406e that I cannot seem to get to run strongly, even after full out of frame overhaul … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I have a 96 aeromax with a 3406 cat two weeks ago while
I have a 96 aeromax with a 3406 cat two weeks ago while driving the truck lost all power and died started right back up and ran fine for a few minutes then did it again but this time I pump the fuel p… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
What co trill. On a 3406E model cat engine are there two
On a 3406E model cat engine are there two different power supply's to the ecm for the 1 2 3 And the 4 5 6 Injectors because I have one not firing on 4 5 6 nd the harnesses are new from the ecm to the injectors … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 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
10,213 satisfied customers
My truck was running fine and then I washed the engine with
My truck was running fine and then I washed the engine with a pressure washer and then started it ran about ten minutes and then it died … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I am having a knocking issue with a rebuilt Cat C7? 2005 Cat
I am having a knocking issue with a rebuilt Cat C7? … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I have a C15 6NZ no start. Getting fuel with pressure.
I have a C15 6NZ no start. Getting fuel with pressure. Checked with Cat ET and no codes. R&RAY primary and secondary engine speed timing sensors. Both were sized to wiring harness. Saved secondary wir… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I am swapping a Cat 3406E (5EK90455 40 pin ecm) into a truck
Hello I am swapping a Cat 3406E (5EK90455 40 pin ecm) into a truck that came with a 3406E (2WS14105 70 pin ecm). I have some wiring diagrams but I'm wondering if you can tell me where to put these wir… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I have a 2000 C6500 with a CAT 3126 engine serial #8YL51753,
I have a 2000 C6500 with a CAT 3126 engine serial #8YL51753, customer called truck died after hot run, went up to check truck will start with either, wont idle, changed fuel filter, same thing added f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
I have a Mercedes mbe4000 in a 2005 freightliner Columbia.
I have a Mercedes mbe4000 in a 2005 freightliner Columbia. It will be running fine and then just start losing power until you get down to about 25 or 30 then it will finally pick back up and go again.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e 40 pin. What do I need for the cab. I have the harness from the ecm to the firewall from a donor truck. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I just swapped out my cat c13 acert engine in my 05 pete
Hey Tim, I just swapped out my cat c13 acert engine in my 05 pete 379, and replaced it with a c15 6nz engine, both were 70 pin on the harness. it will crank, but only fire on ether. of course it dies … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
having trouble with a 3406e cat. fault code 74 injector 6 current high or low.swapped inje
having trouble with a 3406e cat. fault code 74 injector 6 current high or low.swapped injectors and it stayed with 6. ran a overlay circuit 6 still the same. replaced ecm, still no change. only happen… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
my 98 pete had a 3406e s/n 1lw that thru a rod thru the block,
my 98 pete had a 3406e s/n 1lw that thru a rod thru the block, i have replaced it with a 3406e s/n 5ek85180 that i rebuilt on the floor. now that it is installed in the truck it will not start. runs o… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
HI BIG MART WE HAD STOOPS DO A OVERHAUL ON OUR 3406E CAT 475HP. IT
HI BIG MART WE HAD STOOPS DO A OVERHAUL ON OUR 3406E CAT 475HP. IT HAD BLEW A HEAD GASKET. THEY GOT IT ALL OVERHAULED AND AT FIRST IT MISSED AND POPED THROUGH EXHAUST. THEN THEY READJUSTED THE OVERHEA… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
Replaced my original 1999 1LW 3406e in a KW which had a 40
Replaced my original 1999 1LW 3406e in a KW which had a 40 pin ecm and a cam timing sensor with a 1999 2WS 3406e out of a Pete which has a 70 pin ecm which has a cam and crank sensor . Used the adapte… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
We have a 2000 Kenworth T2000 with a Cat engine. It shut down
We have a 2000 Kenworth T2000 with a Cat engine. It shut down and won't start. We have troubleshot every mechanical thing possible. Finally came to believe that it was a computer shut down of some kin… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,213 satisfied customers
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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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