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I have a 2012 Cummins ISX. We just completed an out of frame
I have a 2012 Cummins ISX. We just completed an out of frame overhaul. Motor runs great, but has a weird oil pressure situation. At start up, the oil pressure gauge goes up to about 70 psi. Stays ther… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Have pre-egr ISX cummins in 1999 Volvo that had head
have pre-egr ISX cummins in 1999 Volvo that had head replaced engine mwont start did not do head replacement, expererancing problem with power to fuel solenoid and lift motor. tightened connection t … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
I have a 1998 freightliner with a cummins 5.9 isb 24
I have a 1998 freightliner with a cummins 5.9 isb 24 valve...seems like it's running out of fuel...starts, runs for a couple seconds then coughs and stalls. I've replaced the lift pump and both fuel f… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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2007 cummins isx 565 code spn 94 fmi 18 just replaced all
2007 cummins isx 565 code spn 94 fmi 18 just replaced all fuel lines shut off solenoid lift pump pressure sending unit still won't start problem started eng shut off abruptly no start also replaced fi… read more
Mike Mcmillan
Mike Mcmillan
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I have a 2011 386 peterbilt show DPF fuel pressure delivery
I have a 2011 386 peterbilt show DPF fuel pressure delivery code and a clogged dpf symbol but just had the dpf filters cleaned but symbol stays active for clogged … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
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I have a 2016 prostar International 9400 truck,with a
I have a 2016 prostar International 9400 truck,with a cummins ISX engine. I turn off ignition key and truck stays on, gauges turn off with the key. Can u help?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Nave a 2009 prostar with isx cummins engine oil pressure was
nave a 2009 prostar with isx cummins engine oil pressure was rnning about 20 psi going down road changed oil pump and regulator pressure went up to 35 psi stayed that way for about 6000 miles now back… read more
Mike Mcmillan
Mike Mcmillan
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Here have 2008 isx electric lift fuel pump not running no
hi Jeff here have 2008 isx electric lift fuel pump not running no power to it fuses and relay good installed relay test jump stand power up terminal 85 signal wire from ecm pump runs but still no star… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
How much to get a question answered. Got a cummins isx that
got a cummins isx that shut off when hooked to the ecm gave a code of low fuel pressure, we changed the gear fuel pump, pumped air out of the lines, close to crankimg but hasnt cranked yet … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I'm working on a 2007 peterbilt with a cummins isx in it.
hi, I'm working on a 2007 peterbilt with a cummins isx in it. the engine number is ***** The truck was running rough and I went to turn it off with the key and it wouldn't shut off, I tried it again w… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Last had switch on last night checking lights fuse pump
Last had switch on last night checking lights fuse pump working then but wouldn't pump up this morning. … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,636 satisfied customers
Dr. Cummins, Have a ISX that is starting hard and runs rough
Dr. Cummins, Have a ISX that is starting hard and runs rough for a lil while... Once its cleans up it runs good. It will start and run for a couple seconds then die then crank and crank and not start.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have no fuel pressure at fuel rail. put new high pressure
i have no fuel pressure at fuel rail. put new high pressure pump new lift pump. have fuel at all check points but no high pressure… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Pre egr cummins isx 450hp lift pump not coming on, I have a
Pre egr cummins isx 450hp lift pump not coming on, I have a new pump and plugged it in but not installed, did not come on either. Where is the fuse? I've untied the harness on the ecm side if the engi… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
We have a 2008 kenworth t660 with a cummins isx 435, it shut
we have a 2008 kenworth t660 with a cummins isx 435 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2009 kenworth T660 with an isx one day it decided
I have a 2009 kenworth T660 with an isx one day it decided not to start. We replaced both cams about two weeks ago and drove the truck 5000 miles now it won't start and has a code of 2215 I hear the l… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
2011 peterbilt 389 dies intermit at idle or no start.
2011 peterbilt 389 dies intermit at idle or no start. Starter, sensors, relays, ignition equip, DEF redone, 2 injectors replaced, and more. At a loss. Once in awhile code for fuel pressure. Planning t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have volvo with a isx in my shop change fuel it start run
hello have volvo with a isx in my shop change fuel it start run for a bit then start missung cut off tryed everything i know and i am lost at this point… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
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Daniel Wilson

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Chris (aka-Moose)

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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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