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Related Medium and Heavy Trucks Questions
Have a 2009 386 peterbilt with no dash lights or marker
have a 2009 386 peterbilt with no dash lights or marker lights. but when turn key on initially dash lights work. does peterbilt run 5 volt supply to switches? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I just had my fuel pump replaced after it blew apart
I just had my fuel pump replaced after it blew apart (ceramic rods). Should of been part of the recall but was missed. I have no codes and haven't had any even before the pump issue but when I'm drivi… read more
Mike Mcmillan
Mike Mcmillan
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2012 f550, no turbo boost pressure at all. Ran normal,
2012 f550, no turbo boost pressure at all. Ran normal, stopped for half hour, upon restart no boost. Check engine light on, codes p1247, 0132. CAC tube replaced about 2000 miles ago, new Ford air filt… read more
Chris (aka-Moose)
Chris (aka-Moose)
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Stop engine light comes on randomly then goes away. For
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Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2011 Isuzu NPR HD 4HK1 Diesel with a (( P0045
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Daniel Wilson
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On a 2005 cat c15 acert engine the vva were deleted in the
On a 2005 cat c15 acert engine the vva were deleted in the new program can they be removed… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a C15 Acert MXS that has low power, low boost and
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a 2009 peterbilt 386 with a cat c-15 adem a4 /cert
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Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a C-7 in a dyno, at !00% throttle & load around 320
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Cat Man
Cat Man
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97 FORD F7/800 5.9L CUMMINS SERIAL # 45203873 Installed new
97 FORD F7/800 5.9L CUMMINS SERIAL # 45203873Installed new turbo #(###) ###-####not getting pressure to the waste gate actuator. Please help… read more
Jeremy
Jeremy
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2007 MP7 runs good in lower ear but looses power in higher
2007 MP7 runs good in lower ear but looses power in higher gear (spped ) no manifold pressure … read more
Daniel Wilson
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2008 Step Van Truck with a 6.7L Cummins Engine infrequently
2008 Step Van Truck with a 6.7L Cummins Engine infrequently showing a Yellow "Check Engine Light". Has a code 2387. The truck runs fine but when accelerating from a stand still, black smoke blows out … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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My 2008 Peterbilt with an isx 500 all of a sudden lost boost
My 2008 Peterbilt with an isx 500 all of a sudden lost boost from 40 to 30 and has very little power. I change the turbo and change the fuel filter's and had to change the prime pump and it has made n… read more
][\][iCk0411
][\][iCk0411
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Vocational, Technical or Trade School
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I have a detroit 14 liter EGR. DDEC V. I replaced vnt turbo
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Roy Belding
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I have a 2008 Peterbilt 386 with a Cummins ISX eng#
I have a 2008 Peterbilt 386 with a Cummins ISX eng# ***** Truck is throwing heavy black smoke and no power. Just replaced the turbo and actuator. No egr codes, also removed the egr and cleaned it and … read more
Jeremy
Jeremy
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2006 peterbilt 335 CAT C7 Just rebuilt the engine and the
2006 peterbilt 335 CAT C7 Just rebuilt the engine and the truck has been running fine. All of the sudden this week the truck runs fine until you get to the top end of the transmission. in 8th 9th and … read more
Cat Man
Cat Man
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peterbilt 379: I have a 2004 pete c15 750,000 runs ok little
I have a 2004 pete c15 750,000 runs ok little weak on hills . I took it to local pete. dealer they put it on computer to check it out, they reset a few things , they now say it needs some kind of turb… read more
Cat Man
Cat Man
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I have a 2007 peterbilt 330 with a paccar px8 I have a code
I have a 2007 peterbilt 330 with a paccar px8 I have a code coming up for the vgt actuator not responding or out of adjustment… read more
cumminsdr
cumminsdr
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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

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

4,384 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 satisfied customers

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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