Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2006 379 C-15 Acert. You I have a 2006 379 C-15
When I turn the manual fan switch to "on", eventually the motor turns off, I then have to cycle the key ignition switch and the motor fires up and life is good....until I turn the manual fan switch again… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
21 satisfied customers
I have a sterling with a C 12 cat in it went to turn a
I have a sterling with a C 12 cat in it went to turn a corner in the truck just died cranks over just fine it has plenty of prime in the fuel system it starts and runs of either but dies it will not s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
We have a 2007 C-7 that our Cat dealer replaced the HEUI
We have a 2007 C-7 that our Cat dealer replaced the HEUI Pump and also at that time a set of reman injectors. Since that time we repeatedly have had diesel fuel in our engine oil from injector failure… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,321 satisfied customers
I Have a 2004 Sterling with a C7 cat. After it gets warm it
i Have a 2004 Sterling with a C7 cat. After it gets warm it starts to sputter on take off. There are no codes ,did all the injector tests ,tested the hpop pressure its good. One thing though after i c… read more
Mike Mcmillan
Mike Mcmillan
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I have a 2008 Sterling actera dump truck. When we put the
I have a 2008 Sterling actera dump truck. When we put the new batteries in it They accidentally touched the terminals and it arced. And now the truck won't start. I replaced 2 Ignition fuses under the… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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I have a 99 c6500 with a 3126. fast idle not working.
i have a 99 c6500 with a 3126. fast idle not working. looking for specs on what I should be looking for when testing the two wires at the switch. … read more
Mike Mcmillan
Mike Mcmillan
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I am dealing with a 3126, ESN#: CKM04500 in a 2000 sterling
I am dealing with a 3126, ESN#: CKM04500 in a 2000 sterling chassis and am having trouble with a very intermittent CEL and loss of throttle control. Driver states he pulls off, key off, and truck star… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have 04 Sterling with 60 Detroit won't start. Truck has
Truck has never had a problem runs fine was using it yesterday and out of nowhere jest died like the key was turned off. Now no codes has fuel gets fuel from back of the head to tank return coolent sensor is plugged in and has coolant. But still cranks but won't start pull. Off cover to see if I'm getting signal to the injectors and I do not have anything going to the injectors on my voltmeter. Swapped out ECM still nothing thinking maybe crank positioning sensor? … read more
Kent Van Wagner
Kent Van Wagner
40 satisfied customers
I have a 2008 Sterling Oil truck with a Cat it stalls at
I have a 2008 Sterling Oil truck with a Cat it stalls at idle I have to set the cruise control and bring rpms up to 1000 to keep it running while pumping other than that it runs fine. it bringe up che… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a 2007 Sterling with a series 60 Detroit 14 liter
I have a 2007 Sterling with a series 60 Detroit 14 liter cranks but won't start … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
06 sterling caters, cat 7. Auto trans, no cranking, 2 new
Hello, 06 sterling caters, cat 7. Auto trans, no cranking, 2 new batt. Code 689948? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
2002 cat c-12 code for extremly low oil pressure while
2002 cat c-12 code for extremly low oil pressure while showing 40 on gauge, Snap on scanner can not clear code … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Short story parked truck this morning shut it down.
Short story parked truck this morning shut it down. Proceeded to ck some fuses and gauges had key on and lights. Finished all that went to start batteries low. Started apu.to charge batts.waited 2 hrs… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Cat man 2002 sterling L9500 with cat c10. The cruise control
Cat man 2002 sterling L9500 with cat c10. The cruise control is not working whether in park for high idle or on the road. I look at the parameters and it looks fine. The neutral clutch works and the s… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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2005 Freightliner Columbia 60 series Detroit code on dash en
2005 Freightliner Columbia 60 series Detroit code on dash en c. truck turns over, won't fire. checked ecm fuse in batt box. ok.. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2003 peterbilt 379 truck that wont start. the
hi, I have a 2003 peterbilt 379 truck that wont start. the engine turns over fine. I can plug in my scan tool and read the fault codes ( none found), I tested the ignition switch(ok), when you turn th… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
A 2004 Sterling with an MBE4000 DDEC IV. Turns over, no
a 2004 Sterling with an MBE4000 DDEC IV. Turns over, no start. Will light up on ether. Some thing electronic/electric is messing us up.… read more
Jim
Jim
Diesel tech.
212 satisfied customers
2001 freightliner century with cat c 15 engine vin# XXXXX
2001 freightliner century with cat c 15 engine vin# XXXXX engine 6 nz had code 128s254 07 ecm no response check fuse in battery box, in dash, all ok. Tomorow going to check j wire data link, and need … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,321 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,321 satisfied customers

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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cumminsdr

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Curtis B.

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

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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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