Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2011 Mack mp8 I change fuel pump filter housing and
Hi I have a 2011 Mack mp8 I change fuel pump filter housing and when I picking up speed it's slow down and ask to check the filter? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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1993 Mack e7 300 engine looses fuel prime to first filter
1993 Mack e7 300 engine looses fuel prime to first filter have replaced lift pump, spring was brke in old pump but still loosing fuel to first filter … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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2000 Mack rd680s with e7. It loses prime by morning and
2000 Mack rd680s with e7. It loses prime by morning and won't start until primed. Where is the regulator located? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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I have a 2007 mack with the 380 engine i shut truck down for
Second opinion] i have a 2007 mack with the 380 engine i shut truck down for the day and next morning it wont start it wont hold prime i have new fuel pump new filters and we cant get prime pulling of… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
MY 1999 FL70 CAT 3126 IS LOSING POWER & SHUTTING ITSELF OFF
MY 1999 FL70 CAT 3126 IS LOSING POWER & SHUTTING ITSELF OFF BUT ONCE I RESTART IT AFTER PUMPING THE GAS PEDAL IT DRIVES FOR A LITTLE BIT & LOSES POWER & SHUTS OFF. KEPT REPEATING TILL I GOT OFF THE HI… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Cat C15 mbn prefix.. steel fuel line that runs from the fuel
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Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Got a 2009 mack gu713 when it gets hot and you shut it off
got a 2009 mack gu713 when it gets hot and you shut it off will crack for every and not start again only when hot not building fuel pressure let sit for awhile and cool off starts right back up … read more
Wayne
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I have a 96 ch it will almost start but shuts off immediately
I have a 96 ch it will almost start but shuts off immediately any help would be greatly appreciated… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a 93 International Eagle with a n14 cummings. The truck
I have a 93 International Eagle with a n14 cummings. The truck shut off after running it about 6 hours. I noticed the filter looked like it needed to be replaced and it was low on fuel so I added fuel… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a Mack 460 automatic and from time to time I lose power
I have a Mack 460 automatic and from time to time I lose power with jerking and engine light on with lots of white smoke. Also cant seem to keep fuel in the fuel filter once the truck sits for a short… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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2002 DT466 w/ allison 2000 trans. I accellerate and it blows
2002 DT466 w/ allison 2000 trans. I accellerate and it blows white smoke from exhaust at 2000 but not before. When driving it has good power until 2000 then fades and blows the smoke. Checked fuel pre… read more
Curtis B.
Curtis B.
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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
Cat Man
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isuzu nrr: Isuzu nrr diesel truck loses power climbing hills
Isuzu nrr diesel truck loses power climbing hills and service engine soon light comes on. truck drives like a turtle after....shut engine off.. wait a minute .restart... engine takes off ike normal fo… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
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I have an 08 pete with a cat. It keeps cutting the power because
I have an 08 pete with a cat. It keeps cutting the power because I think the dpf is full and needs to regen. Yesterday the drive got it to regen for 45 min and it ran well for the rest of the night. T… read more
Cat Man
Cat Man
Cat Engine Expert
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I have a 2007 mack granite with a cv713 engine and have
i have a 2007 mack granite with a cv713 engine and have changed out all fuel lines and replaced all fuel filters the truck does not respond in high gears it acts as if fuel is being shut off and if u … read more
jrloar
jrloar
Master HVAC Tech.
Associate Degree
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Hi, I own a 2004 euro 3 isuzu nkr turbo intercooler 3.0 truck.4JH1
Hi, I own a 2004 euro 3 isuzu nkr turbo intercooler 3.0 truck.4JH1 engine code, when cruising over 50mph and over 2000rpm the "engine check" light comes on and i lose power. once the engine drops belo… read more
Expert
Expert
I have a 2000 mack ch 613 E7-460. Motor shut down without
I have a 2000 mack ch 613 E7-460. Motor shut down without showing engine shutdown light coming on. or showing any engine codes. We been trying to get it restarted by FRIST checking if we have fuel 2nd… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
I have a power loss on a Detroit 60 series engine its in a
I have a power loss on a Detroit 60 series engine its in a freightliner classic 2003. The motor works fine there is no proble in the fuel lines collapsing and the pressure valve on the return line is … read more
Clayton
Clayton
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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

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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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

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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

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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