Medium and Heavy Trucks

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My 2016 Peterbilt 389 with Cummins ISX 550 will not turn
My 2016 Peterbilt 389 with Cummins ISX 550 will not turn over its like battlers are dead but they are brand new one day old. I have a code… read more
cumminsdr
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High School or GED
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I have a Cat C13 SN: KCB81769 with 258k miles on it.
I have a Cat C13 SN: KCB81769 with 258k miles on it. Recently it has developed some blow by. It doesn't seem excessive, but it went from zero to some in 2 weeks. The truck does not drip any oil out of… read more
Cat Man
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2013 IH 4300, VIN 1HTMMAAL8DH171996, Engine was in severe
2013 IH 4300, VIN 1HTMMAAL8DH171996, Engine was in severe De-rate, due to DPF soot load, SPN 3936 FMI 0. We removed the DPF and saw that the insides had collapsed. We installed a new one, and had the … read more
Andy
Andy
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Freightliner Columbia day cab with detroit series 60 Vin#
Freightliner Columbia day cab with detroit series 60 Vin# *****It's getting frustrating. Truck shit down while running n ok t at highway speed but idling at signal .Then we had to towed it it would no… read more
spankyjr1
spankyjr1
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2001 Cummins N14... driver was driving and all of a sudden engine protect light came on !!! After about a minute with the Stop light ON truck shut down... driver notice that the oil pressure drop to 0… read more
Andy
Andy
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I hav 2010 mitsubishi fuso 4.9lt the red "engine warnig" is
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Andy
Andy
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I have a CAT 3406E and I have been losing coolant recently.
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Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have steam coming out of the blow by tube on a 3406
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Cat Man
Cat Man
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2006 freightliner century Detroit series 60 12.7 510,000
2006 freightliner century Detroit series 60 12.7 510,000 miles Truck burning oil approx 1-2 gallons a week depending on how far truck is driven. Truck has very excessive blow by from crankcase breathe… read more
Expert
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2000 N14 cummins loosing coolant runs great, no overheat, no
2000 N14 cummins loosing coolant runs great, no overheat, no mixing of any fluids, will loose coolant fast 1 gallon in a few hours. can see steam coming from blow by and oil fill tube.… read more
Daniel Wilson
Daniel Wilson
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Kenworth T800 C15 14500 Hrs. Excessive blow-by or Steam, It
Kenworth T800 C15 14500 Hrs. Excessive blow-by or Steam, It is very difficult to tell. And not consistent The Oil In the Dipstick has not really moved up or down, A Little down from burning some. Does… read more
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Cat Man
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I have 2007 international truck 4300 sries. 466 engine.
i have 2007 international truck 4300 sries. 466 engine. automatic transmission. 2-3 weeks ago i changed the water pump .evertything was good . 4 days ago the red ''coolant'' indicator on the dash boar… read more
Andy
Andy
truck /coach technician
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I just purchased an International 7400 dump truck from an auction
I just purchased an International 7400 dump truck from an auction site. I drove the truck home 7 hrs yesterday seemingly with no engine problems. The oil pressure was +/- 40 and the water temp was +/-… read more
spankyjr1
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2006 Volvo commerical truck with a volvo engine i was driving
2006 Volvo commerical truck with a volvo engine i was driving n stop light came on dash board telling me to stop the truck, i stop for. A while it sending codes like truck is overheated but i let the … read more
Eurotruck72
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We have a 2008 Volvo Tractor with a ThermoKing Tripak APU unit.
We have a 2008 Volvo Tractor with a ThermoKing Tripak APU unit. It cranks and attempts to start then pops the reset button and sets an engine code E9. It used to start and run for a couple minutes, no… read more
Wayne
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Have 2002 gmc truck model c7500 with cat 3126. It runs for
Have 2002 gmc truck model c7500 with cat 3126. It runs for ten minutes and runs out of fuel. Have to fill fuel filter and blead air and runs for ten minutes again.Have changed fuel filter and replaced… read more
Cat Man
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I asked a question yesterday about my truck which has been
I asked a question yesterday about my truck which has been blowing smoke the exhaust pipe is covered in oil, the mechanic yesterday told me its probably the turbo, but from the turbo which connects to… read more
DirectInjection
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I have a truck with a 3406e engine in it. It has some blowby
I have a truck with a 3406e engine in it. It has some blowby and uses about a gallon of oil every two to three thousand miles, we run local on dirt roads and the work it does is hard pulling so I dont… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,214 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

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I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

Certified Truck/Bus Technician

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

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

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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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