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Related Medium and Heavy Trucks Questions
2000 freightliner 12.7 detriot missing at high idle 1800
2000 freightliner 12.7 detriotmissing at high idle 1800 rpms. start banging out and smoking did 1 cut out test. manual at idle #1 PW at 4.03 @ 670rpm #2 4.04 at 662 #3 4.12 at 648 #4 4.15 @ 638 #5 4.2… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Isx 600 hard start and smoke. Cm871 isx 600 / esn: 79395439.
yes , lift pump operates at key on makes 10 psi with motor off, gear pump makes 200-210 psi at idle and 300 psi at 1500 rpm, changed both pressure regulators and the "check valve " or back flow valve located above the lift pump … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I have a maxxforce 11/13 with dtc 2245 spn 8352 fuel
I have a maxxforce 11/13 with dtc 2245 spn 8352 fuel pressure controller output high at low, I have replaced fuel filters, suction strainer, replaced FDP sensor have access to EST. I am reading 80 psi… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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I have another Mack mp7 question. I have a garbage truck in
I have another Mack mp7 question. I have a garbage truck in here now, it came in with a low power complaint. Basically it would barely pull its self. Dropped the fuel filters diesel fuel looked like l… read more
Mike Mcmillan
Mike Mcmillan
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Gmc 2008 c5c042 c5500 on the picture with number 4 you can
gmc 2008 c5c042 c5500 on the picture with number 4 you can see the fuel rail pressure sensor, the sensor on the engine is coming with two wiring terminals but from the store 3 wiring terminals and I u… read more
Roy Belding
Roy Belding
7,582 satisfied customers
2005 dodge cummins 3500 truck stalled was running fine but
2005 dodge cummins 3500 truck stalled was running fine but like a no fuel symptom we replaced fuel filter and the transfer pump seems to be pumping fuel fine so loosened supply line to fuel rail and n… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
353 satisfied customers
I have a cummins M-11 with fuel in the return line, I have
Hi, I have a cummins M-11 with fuel in the return line, I have run test tank direct to the pump, all fuel filters by passed, new injectors and new fuel pump no correction, now pulled head to check for… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2005 freightliner M2 106 with Mercedes Mercedes MBE900-210
2005 freightliner M2 106 with Mercedes Mercedes MBE900-210 6.4L motor. VIN 1FVACWCS95HU17514. Motor S/N 172446.Changed fuel filters, cups full, motor started. While revving, motor bogged out. there is… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a ddec 6. Surges at high idle. Just did head gasket.
I have a ddec 6. Surges at high idle. Just did head gasket. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
Cummins B5.9 -175, 1995 F800, Engine starts and runs great,
Cummins B5.9 -175, 1995 F800, Engine starts and runs great, but once you give it full throttle it will smoke like crazy and eventually fallback to idle and stall, if you keep your foot to the floor. I… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
2014 perebilt Isl 9, px9, 4726 and 2372 codes, fuel filters
2014 perebilt Isl 9, px9, 4726 and 2372 codes, fuel filters have been replaced and no visible fuel leaks. lines to water separator are clear other potential faults?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Had to replace injection pump on my 1993 MF 231 Perkins
had to replace injection pump on my 1993 MF 231 Perkins AD3.152. Also replaced injectors & lift pump during injection pump installation. Bled lines, fuel coming to injectors just fine as well as retur… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Is a mechanic available? 95 detroit diesel 11.1 liter, with
hi is a mechanic available? JA: What's the make/model/year of your truck? Engine type? Customer: 95 detroit diesel 11.1 liter JA: Are you fixing your truck yourself? What have you tried so far? Custom… read more
Roy Belding
Roy Belding
7,582 satisfied customers
I have a 2003 Cummins ISM 500 in my RV. It recently started
I have a 2003 Cummins ISM 500 in my RV. It recently started making a popping noise at idle out of exhaust with white smoke. Was advised it was probably an injector and ran some amsoil fuel conditioner… read more
cumminsdr
cumminsdr
Mechanic
4,297 satisfied customers
Hi, I have a Detroit Series 60, 2006 (DDEC IV, N3 injectors
Hi, I have a Detroit Series 60, 2006 (DDEC IV, N3 injectors ). It was running rough, sounded like a miss, did cut-out, did not find any one specific injector bad, checked turbo, intake turbine gone (s… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a DT466E engine. It died and had it towed home. It
I have a DT466E engine. It died and had it towed home. It had 0 fuel pressure at the shraeder valve. Replaced the fuel filter. It will start with ether, but will not idle and on the road will buck, if… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I am working on a 1996 International 4900 with a DT466E. The
I am working on a 1996 International 4900 with a DT466E. The engine will miss and smoke on no load acceleration. You can smell the raw fuel in the smoke. During troubleshooting it will stop missing an… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
HI GUYS,I PUT A FUEL PRESURE REGULATOR in my c-7 3126 cat motor
HI GUYS,I PUT A FUEL PRESURE REGULATOR in my c-7 3126 cat motor becaause power was low and i had a bad vibration excelleration ... it did the trick, definetly more power but i still AM getting some ex… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,877 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

Journeyman

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

Mechanic

4,297 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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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