Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have 1995 Freightliner fold 120 on my cab harnesses plug
I have 1995 Freightliner fold 120 on my cab harnesses plug in I found 3 positive readings from the pins but no 1 ground pin at all can you plz tell me why or where to look? The truck started but died … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I have a 2008 piterbilt 386...im trying to bypass ingintion
I have a 2008 piterbilt 386...im trying to bypass ingintion wire that goes to the ECM....i want to know wich wire is it...on the ignition...and wich is number 39 on ecm plug...i dont know how to find … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
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I have owned a 5EK E model cat for yes that can from the
I have owned a 5EK E model cat for yes that can from the factory without Jake's. If recently installed jake housings 340A on the head. I primed them by depressed the solenoid and the appear to work gr… read more
Nich1019
Nich1019
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I have a 2008 kenworth t2000 the fan clutch is not turning
I have a 2008 kenworth t2000 the fan clutch is not turning of when truck is of and ignition on the fan clutch spins freely when I start the truck about 2 seconds later the fan clutch kicks on high che… read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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My truck is a 2006 Peterbilt 379 with a 2005 C15 MXS engine,
My truck is a 2006 Peterbilt 379 with a 2005 C15 MXS engine, several weeks ago I noticed that my truck when I accelerated it with the accelerator pedal started to have like a hiccup until i stopped accelerating, so when I accelerated it with the cruise control button it accelerated good and it works well so it only makes the hiccups when I accelerate it with the accelerator pedal, by the way, I already change the accelerator pedal and the same problem continues, who can tell me where to start looking for the issue? … read more
Nich1019
Nich1019
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2007 CAT C7 engine. Need instructions to install a manual
2007 CAT C7 engine. Need instructions to install a manual regeneration switch for the DPF.… read more
Daniel Wilson
Daniel Wilson
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2006 international 4200 V365. This truck will be running
2006 international 4200 V365. This truck will be running good and just shut off . It started a couple of weeks ago . I pulled in to get fuel and I shut it off . It would not start back . I got a hamme… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I have a 2011 f650 with a rear gear 6.7 Cummins and the
Hello I have a 2011 f650 with a rear gear 6.7 Cummins and the problem I'm having is a long start and sometimes it stalls about 5 to 10 seconds after you start it I have capped off all the injectors an… read more
cumminsdr
cumminsdr
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I have a 2008 PIERCE FIRETRUCK with a C9 in it, ESN IS
I have a 2008 PIERCE FIRETRUCK with a C9 in it, ESN IS C9S01556. this unit was having low boost and engine light on all the time. I found to have code 27-9 to begin with, for VGT abnormal update. I we… read more
Cat Man
Cat Man
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Have a 2008 f650 c7 cat engine 300hp s/n C7809757 installing
have a 2008 f650 c7 cat engine 300hp s/n C7809757 installing a 2 wire remote engine throttle control and PTO on off wire. I was told the remote throttle control pins into the ECM at J1/P1 pin 56 sig. … read more
Cat Man
Cat Man
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I have 1999 bus with a cat diesel engine. It will idle fine
I have 1999 Thomas bus with a cat diesel engine. It will idle fine & then when I drive down the road after a bit it seems to just shut off like I switched the key. … read more
Cat Man
Cat Man
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I'm trying to eliminate idle shut down on a 2008 cat
Hello I'm trying to eliminate idle shut down on a 2008 cat engine I'm very new with the cat software can you please help ASAP… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 1999 C7500 with a 3126 Cat engine. The truck can be
I have a 1999 C7500 with a 3126 Cat engine. The truck can be running fine then out of the blue it will shut off. This may happen while it is being driven or while it is idling. Is there a circuit brea… read more
Cat Man
Cat Man
Cat Engine Expert
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Clayton I have a 4/03 sterling truck with a caterpillar
Hi Clayton I have a 4/03 sterling truck with a caterpillar engine it's sending off a ICU 140 and no engine code… read more
Cat Man
Cat Man
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I have a M11 Cummins in a 96 peterbilt. Im having trouble
I have a M11 Cummins in a 96 peterbilt. Im having trouble diagnosing a check engine light. I have had it scanned and found it has pid 0091with fmi 03 from the description ive found this is high voltag… read more
Andy
Andy
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I have a Cat C15 in a Freightliner. On hot days it starts
I have a Cat C15 in a Freightliner. On hot days it starts to overheat until the fan kicks in. Once the fan kicks on it cools down. Can/how do I install a manual override switch to kick the fan on soon… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Hello I have a 2003 Cat C-7 I have to install a hight idle
Hello I have a 2003 Cat C-7 I have to install a hight idle switch at the rear of the unit. I have Programed PIN 46 to be PTO engine speed point A set to 1200 rpm. I also need to set the PTO on switch … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,344 satisfied customers
2001 Bluebird School Bus at my shop that starts and dies. 5.9
2001 Bluebird School Bus at my shop that starts and dies. 5.9 ISB, VC44 pump replaced for a stall/no start, ran 2 days fine and started this start/stall on a cold start after that. Will stay running w… read more
cumminsdr
cumminsdr
Mechanic
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1,886 satisfied customers
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Daniel Wilson

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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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