Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
My truck is throwing a 283 7 intake valve actuation oil
My truck is throwing a 283 7 intake valve actuation oil pressure not responding? Will this code make the truck have a loss of power an run rough? The motor is a caterpillar KCB c-13 with twin turbos … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I have a 2001 cat 3126e that's hard to start after sitting
I have a 2001 cat 3126e that's hard to start after sitting overnight. After. Cranking for en extend time (approximately) 30 seconds I can see the base oil pressure gauge on the dash rise and it will s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2006 Pete with a C15 acert, jakes seem weak. 3
I have a 2006 Pete with a C15 acert, jakes seem weak. 3 position jake 90,0000 pounds only 20# ***** or less. … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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C15 Acert throwing me a code 93. Replaced the iva's on
C15 Acert throwing me a code 93. Replaced the iva's on cylinders 3 and 4 this morning. Still got the code. … read more
Nich1019
Nich1019
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Cat Man, on August 7th I spoke with you about an MXS66441 in
Cat Man, on August 7th I spoke with you about an MXS66441 in an 05 Pete 379 VIN 891858. We have replaced all the return lines and the temp sensor and the problem persists with the only change being it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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2012 cummins 6.7. Looking for specs and operating pressures
2012 cummins 6.7. Looking for specs and operating pressures for aftertreatment system. Please include egr valve specs. What temps/ pressures required for regen to be initiated. Looking for normal heal… read more
cumminsdr
cumminsdr
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I had a 70 pin cat engine in my 03 western star day cab I
I had a 70 pin cat engine in my 03 western star day cab I had the engine changed and it was a 40 pin the shop cut my 70 pin plug off the truck harness and wired a 40 pin on it !! My jakes doesn't work… read more
Daniel Wilson
Daniel Wilson
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SPN-5491 4. 2012 m2 106. Nothing truck moving 55m/h.
SPN-1569 31 Engine Protection Torque Derate Feb 11, 12:12 PM Feb 17, 10:59 PM Constant SPN-3031 18 Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature 1 Feb 09, 5:07 PM Feb 17, 10:59 PM Constant SPN-4364 18 Aftertreatment 1 SCR Conversion Efficiency Sep 23 2019, 11:30 PM Feb 17, 10:59 PM Constant SPN-5491 4 Aftertreatment 1 Diesel Exhaust Fluid Line Heater Relay 1 Feb 08, 7:47 PM Feb 17, 10:59 PM Constant… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Got an 07 freightliner columbia. Has an acert c13. Truck
Got an 07 freightliner columbia. Has an acert c13. Truck runs pretty good when engines cold but literally as soon as thermostat opens, it runs really bad for about 5 minutes then sort of clears up but… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
On January 4th you assisted me with the MXS22318 problem.
On January 4th you assisted me with the MXS22318 problem. The truck returned this morning with complaint of a similar concern. Customer states engine ran well for a couple shifts and then he noted som… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have an 06 C13 that has been giving me an oil pressure and
I have an 06 C13 that has been giving me an oil pressure and CEL light when pulling hills loaded. I put a manual gauge on the oil pressure sensor side and when hot it dropped to 30 psi or maybe a litt… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
2007 Caterpillar C-15 Acert NXS engine. 550 hp 1850 tq. I
2007 Caterpillar C-15 Acert NXS engine. 550 hp 1850 tq. I recently installed boost gauge to monitor boost. Boost never went over 30-33 under load. I was told this was fine, no problems. Then I was off… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
For the cat man. I have a c-13 cat had a guy replace the
For the cat man.I have a c-13 cat had a guy replace the cam, cam followers, and new all the way up. Truck starts and runs if he hand primes the engine but sounds like a miss fire when it starts and ev… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
Looking for the cat man. I have a c-13 that has codes 385-3
Looking for the cat man. I have a c-13 that has codes 385-3 intake valve actuation system oil pressure voltage high. And code 105-4 intake manifold air temperature voltage low. What could cause this?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
I have as a project a loaned 963 cat loader, for the fall
I have as a project a loaned 963 cat loader, for the fall diesel engine class, the owner loaned it for repair to our class, supposedly an acert 7.1 cat engine, for some reason bad fuel got by all thre… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2004 cat c-13 acert when it's hot it runs like
I have a 2004 cat c-13 acert when it's hot it runs like crap loses power and sounds like it's misfiring first delivery in the morning seems to be fine I did a manual injector cut out cylinders 1,2,3 m… read more
Pete
Pete
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General auto certifications
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Cat man im told you are the best there ius i have a 2008
hi cat man im told you are the best there ius i have a 2008 pete 386 with a Lee01736 c 13 that we converted to a single pdi turbo and a bullydog ceramic coated manifold she smoke white smoke out of ex… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
We have a customer with a 2010 M2 business class freightliner
We have a customer with a 2010 M2 business class freightliner with engine #73012266 ISC Cummins it keeps getting code 2637/2639/1921 of course when 2637 occurs it stop you from doing a roadside regen … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
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Daniel Wilson

Daniel Wilson

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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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