Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2000 chev 6500 topkick with 7.2 cat engine goes into limp
2000 chev 6500 topkick with 7.2 cat engine goes into limp mode (does not have cruise control) , intermittent problem but usually have this problem , check engine light comes on when it goes into limp … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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2000 ford ambulance with 7.3 diesel loses power. Local
2000 ford ambulance with 7.3 diesel loses power. Local mechanic has diagnosed a bad transmission that is sending unit into "limp mode". In limp the unit slows, sputters, belches smoke and may rattle d… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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2006 5.2l w5500 truck runs fine but only when WOT enters
2006 5.2l w5500 truck runs fine but only when WOT enters limp mode if 90% throttle is aplied truck will run fine i replaced fuel filter and housing … read more
Mike
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1996 n11 cummin in a ex fed ex tractor goes into limp mode
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Mike
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02 int. 4300 single axle tractor 5spd allison. Truck goes
02 int. 4300 single axle tractor 5spd allison. Truck goes into limp mode after 5/10 miles when bobtailing and within a mile with just an empty trailer. Reduced power. No codes presently … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I have a 2004 International 4300 truck with a dt466. Truck
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Andy
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Vocational, Technical or Trade School
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7.8 liter duramax lights flash and truck goes into a limp
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Mike
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Cat c7 in motorhome. don't know serial number. regen
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Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Have a 2008 f650 with a c7 cat..drive it the other day and
Hello, Have a 2008 f650 with a c7 cat..drive it the other day and noticed one big puff of white smoke but nothing else.. Today, Went about 40 miles. Pulling 3 Axel 5th wheel trailer. Started blowing w… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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If I unplug the high pressure fuel sensor runs good tried a
if I unplug the high pressure fuel sensor runs good tried a new sensor makes no diff. … read more
Daniel Wilson
Daniel Wilson
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I have a Bx20 TUSK aka FG 25 komatsu that i cannot get out
I have a Bx20 TUSK aka FG 25 komatsu that i cannot get out of limp mode. i have replaced nearly every part including fuel injectors , throttle position sensor, seat safety switch , new battery,MAF sen… read more
benjamin Schaeffer
benjamin Schaeffer
Heavy equipment techician
2009 STERLING 6.7 ISB IT'S OVER FUELING HEAVY BLACK SMOKE 30
2009 STERLING 6.7 ISB IT'S OVER FUELING HEAVY BLACK SMOKE 30 SEC AFTER START UP THE SHOP REPLACE INJECTORS TURBO EXHAUST FILTER & ECM IT'S STILL DOING THE SAME THING TRUCK IDLES FINE ITS NOT MISSING F… read more
cumminsdr
cumminsdr
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I have a 715 fuso tipper it will not manual lett me clean the
I have a 715 fuso tipper it will not manual lett me clean the dpf filter out and has gone in limp mode what do I hav to do… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I have a '06 Hino 185. I am having issues with the truck going
I have a '06 Hino 185. I am having issues with the truck going into "limp mode". It has a new trans in it. Fuel filter is new today as well as air filter. Mass air flow is clean. I was driving @ 60 mp… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
I have a Cat C7 that has been completely rebuilt. New piston,
I have a Cat C7 that has been completely rebuilt. New piston, rings, bearings salvage cylinders, head ,valves, the works. Runs great when cold then I get a code for the number 4 injector voltage. Will… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a Mitsubishi Fuso FE140 w/260k miles, It started going
I have a Mitsubishi Fuso FE140 w/260k miles, It started going into "limp" mode. I had changed the fuel filter last week and now I checked with a code reader and got a message saying "fuel injection me… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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GMC c7000: I have a 96 cat 3116. It starts fine drives local
I have a 96 cat 3116. It starts fine drives local fine. It is a bucket truck so runs at 1000 rpm all day with no problems . When I climb a hill over 40 the motor runs out of power and sounds flat. I c… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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GMC Top Kick: I have a 2003 top kick duramax. It has had the
I have a 2003 top kick duramax. It has had the injecters replaced. The truck only has 56k miles on it. It has been running great till I filled it up with fuel and now it wont get over 35 mph. It is ru… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,211 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

13,211 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 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

Mechanic

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 satisfied customers

Road Service mechanic for Volvo Construction.

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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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