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Fan clutch solenoid valve is constantly leaking air. At
Fan clutch solenoid valve is constantly leaking air. At first only when the key was the on or run position, but since changing the solenoid valve now it leaks constantly.… read more
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Steven
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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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2011 Isuzu NPR with 3.0 ecodiesel DPF runs every 30 miles. I
2011 Isuzu NPR with 3.0 ecodiesel DPF runs every 30 miles. I have had DPF backed and cleaned and tested, it passed. Replaced knock sensors a few months ago testing good, replace differential pressure … read more
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Jeremy
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Need help diagnosing fuel system. 2011 Freightliner Coronado
2011 Freightliner Coronado sd122 with a Detroit DD16 engine … read more
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Roy
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MESSAGE FROM MECHANIC: Hino J05D-TA, Is does not have HEUI
MESSAGE FROM MECHANIC: Hino J05D-TA, Is does not have HEUI injectors. These are the injectors that are oil assist to open. I bought a scanner for that truck and it will not work, so I cannot get a cod… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I'm working on a 1996 Ford L9000 truck. The cruise quit
Hi, I'm working on a 1996 Ford L9000 truck. The cruise quit working .I hooked scan tool up OTC and when I move all the cruise switches it acknowledges it on the scanner. the clutch,and brake pedal swi… read more
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Have a 2009 ud 1400 w/ 4.7 diesel. it has low power and
have a 2009 ud 1400 w/ 4.7 diesel. it has low power and check eng light is on. i know there is a connector somewhere under dash the lets me flash codes- i cant find the connector- i found the obd port… read more
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I have a 2001 bluebird bus with a John Deere 8.1L CNG engine
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Curtis B.
Curtis B.
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2012 freightliner 114SD DD13 has code SPN4334 FMI 7, low def
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Daniel Wilson
Daniel Wilson
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I have 2009 Volvo D16 Vin#: 4V4NC9KJ69N268238 Air is purging
Hi,I have 2009 Volvo D16 Vin#: 4V4NC9KJ69N268238Air is purging every 8 seconds at the air drier. - Air drier cartridge replaced new. - Governor is replaced and adjusted to cut off at 120 Psi. - Purge … read more
Daniel Wilson
Daniel Wilson
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2009 freightliner Coronado. Randomly looses air, can't hear
2009 freightliner Coronado. Randomly looses air, can't hear any leaks. Put a new govenor and dryer filter on. Once it drops to 80 it will rebuild. Sometimes it doesn't rebuild and have to shut truck o… read more
Jeremy
Jeremy
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Shows code 55 by cruise acc/resume test but truck runs fine
Shows code 55 by cruise acc/resume test but truck runs fine for a little bit then it starts cutting out and will only climb up to about 1400-1500 rpm in 7-10 gear… read more
Cat Man
Cat Man
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2006 UD 1400 automatic transmission sometimes has a
2006 UD 1400 automatic transmission sometimes has a difficult time downshifting and upshifting works well if shifted manually Your thoughts… read more
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Jeremy
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I have a international 4700 t444e V8 have a problem that has
I have a international 4700 t444e V8 have a problem that has yet to be solved. Mostly at high speeds either oil pressure/water light turns on first, truck still runs good, once "warn engine" light tur… read more
Andy
Andy
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I have a 2007 izuzu npr that keeps loosing power when driving
I have a 2007 izuzu npr that keeps loosing power when driving have to restart to drive again we are getting code p0093 p0087 we replaced the fuel filter and then the suction control valve the truck is… read more
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Jeremy
Certified Truck/Bus Technician
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2009 ud low power,engine light on, flash codes 9 and 4, will
2009 ud low power,engine light on, flash codes 9 and 4, will not clear, can you help, thanks.… read more
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Jeremy
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2009 UD/Nissan 1400, engine flash code 94, I can't seem to
2009 UD/Nissan 1400, engine flash code 94, I can't seem to find any chart that shows this flash code. Looking for a definition of this.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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I have a 2007 UD with a peculiar problem. It doesn't want to
I have a 2007 UD with a peculiar problem. It doesn't want to go over 20 MPH. It had a code 35 according to the last repair shop (who couldn't fix it) which would seem to indicate a problem related to … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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Owner at DJ Wilson

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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

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cumminsdr

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Curtis B.

Curtis B.

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dieseldan55

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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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