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I'm in 5mph Derate on my 2015 Mack cxu613, MP8 engine. No
I'm in 5mph Derate on my 2015 Mack cxu613 , MP8 engine … read more
Joe Green
Joe Green
65 satisfied customers
I have a 2006 Mack granite Tri axel when you hit the brakes
Hi I have a 2006 Mack granite Tri axel when you hit the brakes there is a delay for them to release if you lightly pump them it doesn't happen comes and goes I changed the valve behind the Padel and t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2014 Mack 2014 Mack pinnacle dump truck, 215k miles, MP8
2014 Mack 2014 Mack pinnacle dump truck, 215k miles, MP8 engine & 10 speed transmissionIt was converted to a dump truck around 150k miles.Dash assembly looks like the truck was originally outfitted wi… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
2014 Mack pinnacle dump truck, 215k miles, MP8 engine & 10
2014 Mack pinnacle dump truck, 215k miles, MP8 engine & 10 speed transmissionWhen pulling a hill or rolling hills and coming slightly off throttle, the engine acts like like it drops all fuel or has a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2013 mp 8 shudder or buck off and on. 2013 mack pinnacle mp8
not sure if fixing myself or taking to dealer... started with fuel filters they seem to have a lot of black / possible alge … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
Mack 2014 pennicle mp8 engine approx 200k miles dump truck.
Mack 2014 pennicle mp8 engine approx 200k miles dump truck.Power leash engine brake started cutting in & out under load rocking the engine trans & cab, like a truck with death wobble.I can recreate it… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
I have a 2012 Mack chu613 dump truck and when I turn on the
I have a 2012 Mack chu613 dump truck and when I turn on the key the dash doesn't light up on the run position it lights when in start position but it doesnt start or crank. I have 12V when the ignitio… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
2008 Hino 338, JO8E-TW engine. 5PVNV8JR88250301. 2008 Hino
No DTC's present, all my pressures check out my, tests all come back good on my DX2. I have a intermittent misfire or skip when underload at 2000-2150rmp. I can accelerate up to 2850 rmo no liad and runs fine. Put transmission in gear and runs great up to this point then breaks down intermittently misses.… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
Dt466e no boost. 2000 international dt466e. Turbo, waste
turbo, waste gate, map sensor, charge air cooler, and inspected for leaks … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
Got a mind blower here: 2014 Ford F450 6.7L Diesel VIN:
got a mind blower here:2014 Ford F450 6.7L Diesel VIN: 1FD0W4GT1EEA93834NO CODES SYMPTOM: loss of power, and subsequent slowing of vehicle to almost to the point of stalling.WHEN: For about a year but… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
641 satisfied customers
I have a 2010 mack trident MP8 engine,done 935000 klm had
Hi Steve i have a 2010 mack trident MP8 engine,done 935000 klm had injectors and cups done about 375000 klms ago last week 19/3/19 had injectors removed and two new cups fitted and put the same inject… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a detroit 60 14L. I suddenly have a loss of oil
i have a detroit 60 14L. I suddenly have a loss of oil pressure. 19.7psi at idle and 38.6psi at 1600rpm. buzzers go off yet I can let off throttle to get it home. I replaced oil pump, oil pressure rel… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Have a 2011 mack with a mp8 engine whining sound from engine
Have a 2011 mack with a mp8 engine whining sound from engine at 25psi of turbo boost then it shoots up to 38psi of boost … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
Having problems with a 2014 mack MP8. Truck seems to buck or
Having problems with a 2014 mack MP8. Truck seems to buck or shudder around 1400 rpm. Seems to be more of an issue when cool in the morning. Truck is starting fine. Injectors were updated with stainle… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
Very bad vibration mainly between 1300-1500 rpm. Big loss of
Very bad vibration mainly between 1300-1500 rpm. Big loss of power and fuel mileage is half. Truck can hardly pull itself up a small hill. Have changed filters twice, injectors have had clear tube tes… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,201 satisfied customers
Have a 2003 Sterling enclosed car hauler that was built by
Hey I have a 2003 Sterling enclosed car hauler that was built by boydstun. It's a 10 speed & has a C12 in it. I bought the truck from wagoners trucking they had it sitting almost 7 years. I have gone … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
2005 KW W900 with a Cat (mxs16734) customer complaint of a
2005 KW W900 with a Cat (mxs16734) customer complaint of a miss while driving. Heavier the load the more frequent the miss. We found 2 weak IVA's and replaced them. Customer took the truck for test dr… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
My maxxforce is dumping a ton of oil through the oil vent...
my maxxforce is dumping a ton of oil through the oil vent... I mean like a gallon every couple hundred miles... … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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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