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Related Medium and Heavy Trucks Questions
We have in our shop a 1997 Freight-liner with a Cat 3406E
Hello, we have in our shop a 1997 Freight-liner with a Cat 3406E with low power and not boosting properly. Engine SN# ***** The engine will make 0-1lbs of boost full throttle on a hill. No smoke, no b… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
3406e 5ek wont start I don't think it's the cam sensor.If
3406e 5ek wont start I don't think it's the cam sensor.If the transfer pump us good would it have fuel running out return line while cranking it. sensor … read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
I have a Cat 3406E engine serial number 1LW08119 in an IH
second opinion] Hi I have a Cat 3406E engine serial number 1LW08119 in an IH truck, it starts a bit hard like it's not getting fuel, it's been doing this since I replaced the injectors less than a yea… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
40 satisfied customers
I'm doing a swap from a 5ek to a 2ws. I'm curious about the
I'm doing a swap from a 5ek to a 2ws. I'm curious about the differences in fuel lines/hook-ups. It seems that the location the fuel pressure line for the gauge was hooked to on the 5ek is not availabl… read more
Cat Man
Cat Man
Cat Engine Expert
10,343 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
10,343 satisfied customers
5EK...when using throttle peddle, the engine will sometimes
5EK...when using throttle peddle, the engine will sometimes cut out like it is running out of fuel. this will happen at random times, loaded or unloaded, and in any gear at any speed. When it does thi… read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
Have 3406e with serial number 5ek67120 truck was running
have 3406e with serial number 5ek67120 truck was running excellent and customer installed after market programmer and on intial power up and test drive check engine light came on I pulled codes and go… read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
I have a 1997 peterbilt 379 with a caterpillar 3406e 5ek
I have a 1997 peterbilt 379 with a caterpillar 3406e 5ek that's been having a sputter/miss fire issues. It only does the sputter or miss underload at around 1400rpms and 20-30psi boost it will stop on… read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
5EK runs fine but will no hold a prime for very after you
5EK runs fine but will no hold a prime for very long after you shut it off … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,323 satisfied customers
Just put a cat motor in my classic and trying to find a
just put a cat motor in my classic and trying to find a diagram for the new wiring harness for the ecm … read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
1999 freightliner fld120(3406E motor). About one week ago
1999 freightliner fld120(3406E motor). About one week ago truck would not shut off with ignition key, ordered a rebuilt computer with same result (will not shut off). had to deliver a load so I drove … read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
Have a 2011 Peterbuilt 386 with a ISX Cummins CM2250 engine
Have a 2011 Peterbuilt 386 with a ISX Cummins CM2250 engine serial number 79435106. What we are having problems with is that in only 12th or 13th gear when your pulling up a hill fuel pressure shuts o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
Cat man! I have a 1996 peterbilt 379 with a 3406E, serial#
hello cat man! I have a 1996 peterbilt 379 with a 3406E, serial# ***** i'm looking at a 1999 3406E serial# ***** in a Volvo, both are original to the trucks, my question is can the Volvo motor be put … read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
There are two spin on fuel filters on my 03 387 my truck is
There are two spin on fuel filters on my 03 387 my truck is sucking air into fuel system. I have a o3 Pete with a 3406e cat. One filter is located below hand pump the other filter is on frame and has … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
I have a 3406e cat draining fuel off of primary fuel filter
I have a 3406e cat draining fuel off of primary fuel filter have replaced fuel pump and check valve and primer pump. Secondary filer and head still hold pressure.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 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
10,343 satisfied customers
I have a Caterpillar 3406E engine serial number 2W500550 that
I have a Caterpillar 3406E engine serial number 2W500550 that does not run properly at times loaded. At other times runs fine with load. NO error codes on computer. Primary fuel filter is only 1/5 th … read more
Cat Man
Cat Man
Cat Engine Expert
10,343 satisfied customers
96 volvo with cat 3406E died. No fuel flow thru ecm. Would
96 volvo with cat 3406E died. No fuel flow thru ecm. Would only turn over with either spray. Used shop peterbiult ecm ran in shop ok. Then grabbed and ecm from blown motor 98 Volvo with 3406E and swap… read more
Cat Man
Cat Man
Cat Engine Expert
10,343 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.

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Curtis B.

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cumminsdr

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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