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Related Medium and Heavy Trucks Questions
I have a 2004 c15 Acert that only builds 12 pounds of boost.
I have a 2004 c15 Acert that only builds 12 pounds of boost … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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How much does this cost. How do I just pay for one question.
Last time it wanted me to sighn up for a subscription. I don't want to do that … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1999 Peterbilt 379 truck with a Detroit Series 60
Hi, I have a 1999 Peterbilt 379 truck with a Detroit Series 60 11.1L engine. The truck recently started to act abnormally while driving: when I try to pick up speed, even whith an empty trailer, the R… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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Vibration in floor board and accelerater its worst in high
Vibration in floor board and accelerater its worst in high rpm and also when I let my foot off accelerater going down hill … read more
Bradey V
Bradey V
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2004 cat acert c15 Diesel engine over heats only when boost
2004 cat acert c15 Diesel engine over heats only when boost pressure reaches over 30 psi with light loads and 17 psi with heavy loads. No coolant loss or oil. Compression is good on all cylinders. Wil… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a cat bxs that has a flutter or miss or something but
I have a cat bxs that has a flutter or miss or something but doesn't do it all the time. I had the fuel pressure regulator changed it ran ok for awhile but is back to its old tricks. Runs great when y… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have an 07 c13 that has a bad vibration while giving it
I have an 07 c13 that has a bad vibration while giving it fuel, and I can feel the rough idle and about every 20 seconds at idle I can feel a miss. I've had two cut out test done. Both have been fine.… read more
Daniel Wilson
Daniel Wilson
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Volvo VNL670 with Volvo D13 Engine. 2013 with 600k Miles. 3
Volvo VNL670 with Volvo D13 Engine. 2013 with 600k Miles. … read more
Daniel Wilson
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Auto Mechanics 1&2/diesel mech
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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
Cat Engine Expert
Vocational, Technical or Trade Scho
10,240 satisfied customers
I truly don't think this is a question which can be answered
I truly don't think this is a question which can be answered without more in depth diagnostics. but here I go (the short version) I bought another truck, 2003 379x Pete, C15, 6NZ, 18 speed … read more
Doug Barnowski
Doug Barnowski
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Hi I have a 05 t800 with a c15 acert. I keep blowing my oil
Hi I have a 05 t800 with a c15 acert. I keep blowing my oil cap off. I changed the compressor that had been leaking but no luck. Will only do it at highway speed or when pulling a load. No excessive b… read more
Jeremy
Jeremy
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Associate Degree
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I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on
I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on it and the DPF filter was cleaned at 2700 hrs. A couple of weeks ago it threw a code 3251 (particulate trap 1 pressure). I had a mechanic for… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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hi, i recently purchased a 2000 peterbilt with a c-12 2ks serial number, from a long time
hi, i recently purchased a 2000 peterbilt with a c-12 2ks serial number, from a long time friend. the truck sat a lot, only has 117k on the odo, and the engine was rebuilt at 85k, due to a turbo losin… read more
Jeremy
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Certified Truck/Bus Technician
Associate Degree
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2005 International 4300 DT466, we have a lower power issue.
2005 International 4300 DT466, we have a lower power issue. Slight hesitation when tapping the pedal at start off and low power when running on the road. Truck starts easy, idles fine, icon pressure i… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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Have 07 Freightliner century. Dd 60 14 ltr. 750,000 has been
Have 07 Freightliner century. Dd 60 14 ltr. 750,000 has been running excellent but coolant level sensor went bad, unplugged it, drove about 1400 miles. Take off with back haul, damn seems way heavy . … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2007 Peterbilt 387 with a C 15 Cat engine. I noticed
I have a 2007 Peterbilt 387 with a C 15 Cat engine. I noticed my oil pressure was 20 lbs lower than normal. I thought the filter waa plugged so I had an oil change done. I let my truck sit off for an … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Hello my air compressor has been getting a little oily lately.
Hello my air compressor has been getting a little oily lately. As a matter of fact, you can kind of see the oil bubbling slightly in the cracks. And I can see a little oil in the air lines when I am u… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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i ihave a 89 peterbilt with a 3406B cat engine overhauled 95k
i ihave a 89 peterbilt with a 3406B cat engine overhauled 95k ago. Before the rebuild the truck had a slight vibration at idle but went away when i would bump the idle up around 900rpm. the truck idle… read more
diesel-tech
diesel-tech
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,240 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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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