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Related Medium and Heavy Trucks Questions
2008 GU8 Mack with MP7 engine It will start right up after
2008 GU8 Mack with MP7 engine It will start right up after it sits out in the cold for two day. Take it out and drive it up to temp, park it and shut it down for a few minutes and it cranks for 30 sec… read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
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I have a 1999 new holland lw80 with a perkins engine that
i have a 1999 new holland lw80 with a perkins engine that runs rough and stalls when it reaches operating temp. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I've got a ism I'm working on that has a pretty bad fuel
Hey I've got a ism I'm working on that has a pretty bad fuel knock under light load. I did a cylinder cut out with insite and the knock disappears with #1 cut. No other cylinders make any change. I re… read more
cumminsdr
cumminsdr
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High School or GED
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I have a 2007 Mack Granite with a MP7 engine. The model
I have a 2007 Mack Granite with a MP7 engine. The model number is ***** 713, ser# ***** The problem is fuel is mixing with the oil. What are all of the various scenarios that this could happen? I need… read more
Daniel Wilson
Daniel Wilson
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Just got Cummins insite and I have replaced a injector on a
Just got Cummins insite and I have replaced a injector on a isc. I cannot find where I put the trim code in in insite. Can I get some help… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
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Have a 07 Freightliner VIN 1FUJF0C57PW64184 with a Mercedes
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Jeremy
Jeremy
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Associate Degree
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We got a 2012 Maxie force with a no start problem and
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Alex Olsen
Alex Olsen
auto/diesel/industrial
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I have a Cat C15 MXS20633. Truck runs smooth cold but develops
I have a Cat C15 MXS20633. Truck runs smooth cold but develops a miss or studder as it warms up sitting still. Warm under a load it runs fine till under full load then shudders and my fuel pressure di… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
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
5,114 satisfied customers
2006 Pete with CAT C7. Truck has a fresh rebuild less than
2006 Pete with CAT C7. Truck has a fresh rebuild less than 200 hr ago. Truck was driving and had a sudden loss of power and they had trouble getting it up to 15 mph, (OF COURSE THAT IS WHAT MY DRIVER … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
I have a1999 Int. 4700. It started running really bad just
I have a1999 Int. 4700. It started running really bad just like fuel problem so I changed the filters and if didn't help. I carried it to the dealer and after 11 hours of shop time they told Me I prob… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
05 cv713 ran fine yesterday came in today turns over but wont
05 cv713 ran fine yesterday came in today turns over but wont start changed fuel filters fuel looked fine changed fuel pump still no go no problems with fuel in other trucks it trys to start with star… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
205 satisfied customers
2008 Mack MP7 fuel problem, motor acts like it is running out
2008 Mack MP7 fuel problem, motor acts like it is running out of fuel or getting air in it at a idle. As long as you keep rpm's up it runs fine. Replaced fuel transfer pump, checked fuel lines, replac… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
Hello, question on my 2002 KW T2000 N14, Ive notice when idling
Hello, question on my 2002 KW T2000 N14, I've notice when idling some smoke coming out of exhaust pipe but you can see it or I can see it at night when Truck is under spot light nothing during the day… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
we have a 2004 Pete with ISX, when you start it up {cold or
we have a 2004 Pete with ISX, when you start it up {cold or warm} it will run smooth for 35 seconds then run really rough. we have tried an ECM, checked fuel pressures, eliminated TVG sensor, we are r… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I am working on a 1996 International 4900 with a DT466E. The
I am working on a 1996 International 4900 with a DT466E. The engine will miss and smoke on no load acceleration. You can smell the raw fuel in the smoke. During troubleshooting it will stop missing an… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
i have a 2004 international 4300 series with a dt466e. vin
i have a 2004 international 4300 series with a dt466e. vin #1htmmaamx4h614965. 212000 miles on it .started blowing heavy black smoke that smells of fuel.So far we have resealed the injectors and repla… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
hey Cat Man. In regards XXXXX XXXXX 04 C7. Switched out the HEUI
hey Cat Man. In regards XXXXX XXXXX 04 C7. Switched out the HEUI pump. Better idle but wont go over 5mph or so. Smoking like a freight train. Ran cylinder cutout test. Def has some bad injectors which… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,118 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,114 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,693 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,735 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

Mechanic

1,552 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,270 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

262 satisfied customers

16 years of experience

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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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