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Related Medium and Heavy Trucks Questions
I have the Cummins with derate on check engine light has
I have the Cummins with derate on check engine light has arrow down with a 2 hours showing service now on should I drive … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
Have a question about a series 60 Detroit in a 1991
Have a question about a series 60 Detroit in a 1991 Peterbilt … read more
Mike Mcmillan
Mike Mcmillan
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I have SPN 1569, 5246, 5746, and 1387 and stop engine
I have SPN 1569, 5246, 5746, and 1387 and stop engine immediately … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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1997 peterbilt n14 celeste plus. 1997 peterbilt cummins n14
Chasing a problem for several years. Seems to me when I have an injector starting to miss the ecm will derate engine power.im not sure if this is a derate or just a power loss. … read more
Mike Mcmillan
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Have a 2002 freightliner classic (old style, square nose)
have a 2002 freightliner classic (old style, square nose) with detroit series 60 engine. Cruise control is not working correctly. 1) it won't engage while truck is moving. 2) parked, "cruise" will set… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a fault code coming up. Not sure what it means. 2013
I have a fault code coming up. Not sure what it means. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I'm having troubles with a 1994 379 peterbilt, when I turn
I'm having troubles with a 1994 379 peterbilt, when I turn the key on, the dash lights come on momentarily as normal. Then they all shut of except for a few, then a relay clicks and the rest shut off,… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have 2006 Detroit ddec 5 eng sn 06R0876258. What should I
I have 2006 Detroit ddec 5 eng sn 06R0876258. What should I expect as far as oil pressure at 1500 rpm and idle at operating engine temp?… read more
Roy Belding
Roy Belding
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I have 2005 freightliner century with detroit series 60 14l
Hi I have 2005 freightliner century with detroit series 60 14l egr ddec v it needs over haul and I don't want to do it I also have 2003 freightliner century detroit series 60 14l egr ddec iv it has go… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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Have a 6 v 92 in a fire truck with 110 k miles . oil
have a 6 v 92 in a fire truck with 110 k miles . oil pressure gauge on start up goes to 60 then drop fairly fast as it warms up but still at 30 40 lbs then the engine shuts off and wont start for 20 m… read more
Justin Hebert
Justin Hebert
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I have a 2000 peterbilt with a series 60 Detroit cruise
I have a 2000 peterbilt with a series 60 Detroit cruise control and jake brakes are not working I need help tracing down the problem… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e
I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e 40 pin. What do I need for the cab. I have the harness from the ecm to the firewall from a donor truck. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
​ I need an answer from an experienced Detroit Diesel
​Hello, I need an answer from an experienced Detroit Diesel mechanic. I have a 1994 Volvo GMC with a Detroit Diesel 12​.7​ liter engine DDEC III. Engine has 350,000 miles (fuel injectors are rebuilt) … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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Can you tell me what engine is in Freightliner VIN#
Can you tell me what engine is in Freightliner VIN# *****? Will the engine control module store the data to show a sudden engine speed increase (failed driveshaft) of one year ago? MIKE… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I'm putting a 2000 peterbilt(###) ###-#### ***** engine in a
I'm putting a 2000 peterbilt(###) ###-#### ***** engine in a 1996 peterbilt 379 that has a detroit DDEC IV 60 series engine and i need the ecm interface wiring schematic and pin configuration from fir… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 1994 peterbilt with a 12.7 60 Series engine DDEC II.
I have a 1994 peterbilt with a 12.7 60 Series engine DDEC II. Two nights ago my alternator went out on the truck, it was running until I turned the lights on and tried to get out of a housing subdivis… read more
Dieselman36
Dieselman36
High School or GED
i have a 2000 379 Pete . The problem is it will try to die
i have a 2000 379 Pete . The problem is it will try to die at idle going down the road on cruse or the foot pedal. the shut down lite comes on and the beeper . You can push the pedal back down or set … read more
Steve
Steve
Self Employed
High School or GED
30 satisfied customers
1994 peterbilt dd 2 cruse controle works for high iddle as
1994 peterbilt dd 2 cruse controle works for high iddle as long as parking brake is off if set the cruse high iddle will not work al so cruse will not work at road speed the high idle will work on til… read more
Steve
Steve
Self Employed
High School or GED
30 satisfied customers
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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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