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Related Medium and Heavy Trucks Questions
I have 3 fault code on my 2015 Freightliner cascadia dd15,
I have 3 fault code on my 2015 Freightliner cascadia dd15, spn51 fail18, spn102 fail16, spn3464 fail16 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a cat 3126e and it is loosing boost. I have installed
Good morning. I have a cat 3126e and it is loosing boost. I have installed mechanical gauges on fuel pressure and boost pressure. Fuel pressure at WOT is hitting in the 80 to 90 lbs. Boost pressure at… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have my Freightliner Cascadia 2015 showing a code of SPN
Have my Freightliner Cascadia 2015 showing a code of SPN 3464 FMI 16 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2004 international 4300 with the dt466e, it idles
i have a 2004 international 4300 with the dt466e, it idles good, but once any attempt is made raise the rpms, it surges and lopes with lots of black, grey smoke. we have replaced all 6 injectors, run … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
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
Associates
430 satisfied customers
No boost pressure. 1996 international T444e. 30 psi fuel
30 psi fuel pressure clean out tank and screens and fuel filter came up to 45, but when put under a load drops to 30 psi … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
We have a international with maxforce 15 engine. It has low
We have a international with maxforce 15 engine. It has low power will not build manifold pressure over 30psi a shop before us changed the injectors. We removed top turbo and it's ok we also pressuriz… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
2010 Maxxforce DT Intermittent low power no codes Replaced
2010 Maxxforce DT Intermittent low power no codes Replaced turbo with a known good one Cleaned DPF Cleaned EGR valve.Still giving issues, will drive on its bus route just fine for 4-5 days and then no… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
2009. Mack mp8 will not boost over 18 lbs, air to air is
2009. Mack mp8 will not boost over 18 lbs, air to air is good, fuel pressure 75, actuator swapped and calibrated, swapped deck, no difference, … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I have a 2010 International Workstar with a Maxxforce 13
I have a 2010 International Workstar with a Maxxforce 13 engine. First day using the truck, it ran well but at the end of the day it had no power. I checked air filter and changed both fuel filters, e… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Can I add an electric fuel pressure gauge to monitor the
Can I add an electric fuel pressure gauge to monitor the fuel pressure of the low pressure lift pump side side of a Bosch injection pump mounted on a Cummins C8.3 engine?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a G3306 natural gas engine unable to pull a load.
I have a G3306 natural gas engine unable to pull a load. Only making two psi boost out of the turbo and wastegate of disconnected exhaust temp is about 900° F … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,711 satisfied customers
2006 Pete 335 CAT C7 engine is newly rebuilt with a new
2006 Pete 335 CAT C7 engine is newly rebuilt with a new turbo. The problem was the engine would seem to lose power to accelerate at speeds of around 60. This problem has gotten progressively worse dur… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Hi Cat Man, Iam working on 3406E Cat serial number 5EK78587.
Hi Cat Man, I'am working on 3406E Cat serial number 5EK78587. The engine runs really nice and it is able to get up to full RPM, the problem is the engine is making little to no boost ( 0.7 to 1 lbs) a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Im working on a c13 cat engine in a kenworth truck, the engine
I'm working on a c13 cat engine in a kenworth truck, the engine has no power, when you rev up on the engine it makes a loud "swooshing" noise from the right side I think, I pressured up the after cool… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
Hello my name is XXXXX XXXXX i am working on a school bus 2003
Hello my name is XXXXX XXXXX i am working on a school bus 2003 with a 466e engine i replaced the injector o rings because i found oil in the fuel tank that problem was solved but since then the engine… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
HI, I have a 1998 International 9700 with a series 60 12.7L.
HI, I have a 1998 International 9700 with a series 60 12.7L. it runs ok at idle and in low RPMs, but when im goin at about 35 mph it seems like it is running out of fuel for a few seconds then it runs… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
we have 2006 freightliner business class M2 with C9 caterpillar
we have 2006 freightliner business class M2 with C9 caterpillar motor. Once it warms up (over 150 degrees) starts to blow heavy white/grey smoke. Worse under load and higher RPM's. No check engine lig… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,237 satisfied customers
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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

10,237 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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