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Related Medium and Heavy Trucks Questions
I have a 1998 Dodge ram 3500 with a 5.9 L Cummings diesel.
I have a 1998 Dodge ram 3500 with a 5.9 L Cummings diesel. Been having trouble over the last several months with acceleration after it heats up. I'll be driving along at 70 mph and all of a sudden the… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I am having the same problem in a bus identical with the
I am having the same problem in a bus identical with the same results when testing. What I don't have is a change in desired RPM. It stays at 700 RPM even with the throttle at 100% and 43 to 56 HZ whi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a 2001 western star with a cummins isx. At times it
I have a 2001 western star with a cummins isx. At times it will idle very high and won't drop back down. It can be idling normal, step on the accelerator, and it might stay at wherever you put it, or … read more
Steven
Steven
Shop Foreman/Triage Tech
2,384 satisfied customers
I have a code 1:1 611_14p. 2002 international 4300 dt466e.
yes. so far i have put six new injecters and new high pressure oil pump,icp sensor. … read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,426 satisfied customers
I have a ISL 400 common rail fuel system. At full throttle
Second opinion] I have a ISL 400 common rail fuel system. At full throttle in Neutral it reaches 2400 rpm for about 30 seconds and then derate to around 1500 rpm.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a international pro star 2007 with a ism 410 and when
I have a international pro star 2007 with a ism 410 and when i start thé engine all be good but after 1 hour Running the rpm start to go down and i have to stop thé engine. I wait maybe 10 minute and … read more
Steven
Steven
Shop Foreman/Triage Tech
2,384 satisfied customers
Working on a mack again. VIN # is *****************. When
Good morning sir. Working on a mack again. VIN # is *****************. When the codes become active the RPM only go to 14. CODES ARE engine cooling gallery spn 4811 fmi 2 oil pressure data erratic, in… read more
Steven
Steven
Shop Foreman/Triage Tech
2,384 satisfied customers
Catman C13 kcb in a 2006 international In low speed truck
Catman C13 kcb in a 2006 international In low speed truck feels like it loses the accl pedal. Then catches right away. All within seconds. No codes present... fuel pressure is fluctuating between 55ps… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I just bought a 95 freightliner with an N-14 cummins engine.
I just bought a 95 freightliner with an N-14 cummins engine. Engine ran fine for about 100 miles at 1700 rpm. Then I couldn't get over 1500 rpm for about 50 miles, then 1200 rpm for about 50 miles . f… read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,426 satisfied customers
1981 international s series just died, primary fuel filter
1981 international s series just died, primary fuel filter is full secondary is empty. Fuel pump? or clogged pre filter? or clogged primary fuel filter? … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I am trying to figure out why this 89 npr diesel won't up
hi, I am trying to figure out why this 89 npr diesel won't up shift to sometimes 3rd the not iinto 4th. when let of fuel goes into 4th on compression but as soon as the throttle is pressed it goes to … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Low power with slow foot throttle response with empty truck, what comm
Low power with slow foot throttle response with empty truck, what common items can cause this condition?… read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,426 satisfied customers
2004 international 4400 with dt466. Runs rough and white smokes.
2004 international 4400 with dt466. Runs rough and white smokes. Fuel pressure shows 60psi at idle. Icu pressure actual and desired match. It will fail all cylinders on a cylinder contribution test. I… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Have an N14 that has had 4 of the six injectors go in less
Have an N14 that has had 4 of the six injectors go in less than 100,000 miles since the overhaul..also, after the engine has been pulling for awhile, when I am moving slow, maybe in a parking lot, the… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Hello have a 2002 KW T2000 with a N14 Cummins 13 speed what
Hello have a 2002 KW T2000 with a N14 Cummins 13 speed what are the right gears when coming down like a 6% hill with about 40,000 pounds so I don't use too much brake or too fast this only about a 2 m… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
My fuel economy is all over the place. 5.5-8empty...4.7-6.5
My fuel economy is all over the place. 5.5-8empty...4.7-6.5 loaded. Power up hills,no power up hills...no power down hills... The colder the temps the less the mpg. I did have black coughing smoke at … read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,426 satisfied customers
I have a 98 pete with an M11 truck pulls good until about 24
I have a 98 pete with an M11 truck pulls good until about 24 mph then just holds steady idle. No codes inactive or active. Any ideas?… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
I have a model P220HE genset with a perkins 1300 EDI diesel
I have a model P220HE genset with a perkins 1300 EDI diesel engine. It has a International 24 volt WS4486F motor controller. It won't get over 1400 RPM. Where can i get the motor controller fixed or i… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 satisfied customers

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

cumminsdr

cumminsdr

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Chris (aka-Moose)

Chris (aka-Moose)

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16 years of experience

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dieseldan55

Contractor

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Road Service mechanic for Volvo Construction.

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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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