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2014 DD15 showing SPN520250...4 Lost power mid drive.
2014 DD15 showing SPN520250...4 Lost power mid drive. Couldnt get any RPM to shift out of gear. FInally got stopped switched truck off and started it back up seem to run fine. A few miles down the roa… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
It starts fine runs for a couple minutes then starts
it starts fine runs for a couple minutes then starts knocking.this happens at an idle,when you bring the speed up it goes away. if you cut the inj out on that cylinder the noise goes away.have tried a… read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
Engine knock, no smoke at all. It's in #2 didnt start until
Engine knock, no smoke at all. It's in #2 didnt start until after i changed fuel lines … read more
Bradey V
Bradey V
Certificate
Second opinion: I have a 2006 gmc c7500 with a 7.8 Isuzu
Second opinion:I have a 2006 gmc c7500 with a 7.8 Isuzu engine and it won't rev over 1000 rpms. No codes at all. Ran fine and happened out of the blue… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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2005 GMC C7500 8.1 Allison Air Brakes No Cruise Control.
2005 GMC C7500 8.1 Allison Air Brakes No Cruise Control. … read more
Mike Mcmillan
Mike Mcmillan
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N-14 Cpl 1574 Ser number 11671120. Came into our shop with
N-14 Cpl 1574 Ser number 11671120. Came into our shop with most push tubes bent and two injector tubes snapped in half and in the pan. I suspected overspeed and looked everything over. Found number 5 … read more
Mike Mcmillan
Mike Mcmillan
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I have a 2005 c4500 with a Duramax ,periodically it will
I have a 2005 c4500 with a Duramax ,periodically it will crank no start snap on scan tool data says ptoengine shut down signal Yes … read more
Mike Mcmillan
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I am working on a 2009 GMC C5500 with a 7.8L isuzu engine.
I am working on a 2009 GMC C5500 with a 7.8L isuzu engine. It was towed in with a low power concern with check engine light and would not go over 35 mph per the customer. The engine light was on due t… read more
Chris Carr
Chris Carr
Ase Master
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2013 Cummins ISX basket case! In 9 months it has been in
2013 Cummins ISX basket case! In 9 months it has been in shop 3 times for motor failure. It has had all new pistons/liners, head, egr cooler, turbo, actuator, egr tube, compressor, radiator,etc. In sh… read more
Mike Mcmillan
Mike Mcmillan
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2007 Mack CV713, 1M2AG11C67M061575, A1427/ASET engine.
2007 Mack CV713, 1M2AG11C67M061575, A1427/ASET engine. Engine has a skip, Found Code SID 1, Electronic Unit Pump #1 Data Erratic or Abnormal ( Flash Code 8-1) Pulled cyl. #1 unit pump out, and found t… read more
Daniel Wilson
Daniel Wilson
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Truck will not go in forward gears but reverse works fine
truck will not go in forward gears but reverse works fine international 4700 … read more
Daniel Wilson
Daniel Wilson
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5,454 satisfied customers
We have a 2250 isx. A valve broke off so we removed the head
Hi. We have a 2250 isx. A valve broke off so we removed the head and got it completely rebuilt. We reinstalled the head everything runs perfectly smooth but when you get 20 psi boost you get a really … read more
cumminsdr
cumminsdr
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I working C7 Acert with diesel in the oil with major smoke,
I working C7 Acert with diesel in the oil with major smoke, problem started when someone he ran out of fuel and use starter fluid to start, I inspected and found bend push rod on intake valve #3 cylin… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Cat C7 engine just started blowing copious amounts of oil
Cat C7 engine just started blowing copious amounts of oil out of the blowby tube. The engine was rebuilt 300+ hours ago and has had no problems. The engine also does not appear to be running poorly as… read more
Cat Man
Cat Man
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Hey there, I purchased a 1990 intl. VIN#1htglcut5mh376117 plow/sander
Hey there, I purchased a 1990 intl. VIN#1htglcut5mh376117 plow/sander with Cummings N14 engine w/jake, Fuller Trans for winter use that blows white smoke don't know how long this existsed, Ran truck a… read more
cumminsdr
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I have a 2004 Mercedes OM 460 LA CID781 Engine that I need
I have a 2004 Mercedes OM 460 LA CID781 Engine that I need Torque (Rods, Mains, Heads, Injector Hold downs, etc, etc) info and valve settings and how to set TDC on. We are in-framing this engine and h… read more
Clayton
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Vocational, Technical or Trade Scho
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hi i own a 2005 gmc 6500 flat bed wrecker with a 7.8 duramax with an allison 2500 transmission .the truck started to have some fuel issuses after getting untreated diesel due to cold wheather,we added… read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
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I have a 2002 volvo class 8 truck with 630,000 miles we did
I have a 2002 volvo class 8 truck with 630,000 miles we did a normal service and found metal on the drain plug. I hired a mechanic to do a inframe and bought a rebuild kit and 6 piston coolers from Cu… read more
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Jeremy
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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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

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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.

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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

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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