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Related Medium and Heavy Trucks Questions
3406 cat sitting for 15 years spins over runs on ether but
3406 cat sitting for 15 years spins over runs on ether but will not pickup fuel … read more
MartinAsselin
MartinAsselin
DES
2 satisfied customers
I have a 3126b cat engine in my dump truck. It shut down
I have a 3126b cat engine in my dump truck. It shut down while driving & wouldn't start back up. So I gave it a shot of ether and it started & ran for about 8 miles then shut down again. Now it will s… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
CAT C11 serial #kca02539 in 2005 peterbilt intermitent
CAT C11 serial #kca02539 in 2005 peterbilt intermitent problem will only rev to 1000 rpm and blows lots a white smoke. We had this problem several weeks ago but the problem went away and it ran fine. … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
99 freightliner xl with cat 3406. Will crank and not start.
99 freightliner xl with cat 3406. Will crank and not start. If ether is sprayed into it, it will run until the ether is used up. Computer has been tested and is OK, fuel filters replaced, hand primer … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Plz i need help with my cat engine ... 2004 peterbilt 379
Hello, plz i need help with my cat engine ... 2004 peterbilt 379 Cat c15 Mbn12209 Engine was overhauled 70k miles ago at peterbilt shop . In past few days the truck will derate and And won't accelerat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
3406 e loses prime when changing fuel filters. 2000 379
replaced what i thought was a check valve in secondary filter housing.the valve goes in from the bottom and uses a 1 " wrench . theres another valve that also uses a 1" wrench that goes in from side that has a ball in it.which one is supposed to hold fuel to the head … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
3126 cat will only start on ether. 8yl54721 in a 2000
heui pump replaced, cam sensors replaced, checked cam sensor gap, installed 2 different test ecm's, checked for injector oil leaks, have 1300 psi oil at block, good fuel pressure, good power and grounds at ecm, checked ecm harness and load tested wires, after starting with ether it runs smooth all day. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
My 99 cat 3406 shuts down wiht little WARNING, hard shut
My 99 cat 3406 shuts down wiht little WARNING, hard shut duown the stop engine light comes on and less than 30 seconds it shuts down, it willl restart again but just shuts down again has plenty of wat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
My 99 freightliner recirculation message kept coming on
My 99 freightliner recirculation message kept coming on needs fresh air so I drained the tanks and she won't start.. I need help plz!! … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 1995 ford ltl9000 with a 3406 cat engine it will
I have a 1995 ford ltl9000 with a 3406 cat engine it will crank but will not start but if you spay it with ether it will start and run all day until you turn it off then it will not start until you sp… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
3406 cat engine in 379 peterbilt needs rebuilt. was
3406 cat engine in 379 peterbilt needs rebuilt. was wondering if anyone can help me figure out which one i have because it does not appear to be the arriginal engine and all the plates are not on the … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I'm trying to figure out how to adjust Jake brake on a 89
I'm trying to figure out how to adjust Jake brake on a 89 model peterbilt with a 3406 b cat engine. Jake works , just doesn't slow the truck down any… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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
10,344 satisfied customers
93 kW T400 CAT won't start shot ether in it and then it runs
93 kW T400 CAT won't start shot ether in it and then it runs fine. Put on the diagnostic and it showed codes then when you go to clear the codes it loses communication . Any ideas?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
We have a cat c15, serial #6nz57354, died going down the road,
We have a cat c15, serial #6nz57354, died going down the road, gave it a little whiff of ether and it fired right up, got it back to the shop shut it off and wouldnt start again, a little whiff of eth… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Cat Man - Hope youre staying warm. I have a bunch of engines
Cat Man - Hope you're staying warm. I have a bunch of engines I need exhaust flow rate, exhaust temperature, DPM emission rate and maximum allowable backpressure. They are: Model Serial# 6.6 66604755 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I own a 1997 Peterbilt,379-B (short nose /hood)Cat 3406 (
I own a 1997 Peterbilt,379-B (short nose /hood) Cat 3406 ( has ECM ) 18 speed trans. Last week i had the tranny rebuilt ( truck in shop mon. Tues wed , back to work with it on Thursday.) On Friday eve… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
My boss has a 1996 379 peterbilt with a 3406 E cat. Truck has
My boss has a 1996 379 peterbilt with a 3406 E cat. Truck has a 13 speed with 3:55 rears. The truck set for 2 years. He has a lot of $ tied up in it. The problem is they had the parameters changed in … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 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

Wayne

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

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Curtis B.

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cumminsdr

cumminsdr

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All types of Cummins applications

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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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