Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Under a load from 1200rpm to 1500rpm my 12.7L spits and
Under a load from 1200rpm to 1500rpm my 12.7L spits and sputters. I just replaced the EGR Valve and Cooler. But it still spits and sputters … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
2014 international with 6.7. Driver complains of consistent
2014 international with 6.7. Driver complains of consistent black smoke. Diag tree please.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
To whom it may concern, I have a 2007 Freightliner Century
To whom it may concern,I have a 2007 Freightliner Century Pre DPF. The issue I'm having is the truck was giving a cloud of black smoke and wouldn't go over 30-40 mph. I read somewhere that the actuato… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2006 Freightliner with Detroit 60 12.7L with 800k
I have a 2006 Freightliner with Detroit 60 12.7L with 800k miles. Today I was driving and I heard a pop and turbo was gone. No oil coming out exhaust, I limped it to shop trailer was empty. Shop took … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Dr.Cummins, got a ISX with a black smoke/low power issue and
Dr.Cummins, got a ISX with a black smoke/low power issue and it kinda popping around sometimes. Pulled the exhaust off before the doc and still have a ton of black smoke coming out pipe. No codes... h… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Good morning I have a freightliner columbia 2009 thrown
Good morning I have a freightliner columbia 2009 thrown black smoke I already changed injector o ring egr valve actuator still throwing black smoke when it's loaded or empty… read more
Roy Belding
Roy Belding
7,584 satisfied customers
I have a 2008 Peterbilt 386 with a Cummins ISX eng#
I have a 2008 Peterbilt 386 with a Cummins ISX eng# ***** Truck is throwing heavy black smoke and no power. Just replaced the turbo and actuator. No egr codes, also removed the egr and cleaned it and … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
06 dt466 reman turbo sid 27 fmj 6 flash code 354 works great
06 dt466 reman turbo sid 27 fmj 6 flash code 354 works great but engine light comes on on road test… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
i have a 2007 kenworth t800h with a 565 isx high exhaust temp
i have a 2007 kenworth t800h with a 565 isx high exhaust temp 1100 degrees 30 to 40 psi boost when under load but 5 psi when jaking down hill lot of black smoke turbo seems to hesitate then just takes… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2004 Int with 435 cummins isx. It had a turbo go
I have a 2004 Int with 435 cummins isx. It had a turbo go out recently and i replaced it. After this point the truck continued to smoke after I flushed the air to air due to the turbo blowing out on t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Hello I have a Detroit diesel S 60 14L ESN: 06R078622. This
Hello I have a Detroit diesel S 60 14L ESN: 06R078622. This unit when under low speed and light acceleration blows slow of black smoke I can watch the VGT and EGR parameters while this is happening an… read more
Joseph Book
Joseph Book
Branch Manager
Master's Degree
31 satisfied customers
09 isx will not perform stationary regen, catalyst face temps
09 isx will not perform stationary regen, catalyst face temps will not go over 230 degrees. replaced VGT actuator and installed new turbo. do I need to look at replacing an actuator or just run the ov… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
hello I have a 2006 Cummins ISM (ESN, 35127420 ) This unit
hello I have a 2006 Cummins ISM (ESN, 35127420 ) This unit while driving surges with a small puff of black smoke, while watching the EGR data in insite, while at crusing speed arouns 1/2 to 3/4 thrott… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Hi dan I hav got the code sid 254 fail 08 on my detroit 05
Hi dan I hav got the code sid 254 fail 08 on my detroit 05 , alot of black smoke coming out and engine misfires too , I have replased egr this weekend and v-pod 2 month ago and also turbo boost sensor… read more
ClaytonH729
ClaytonH729
Mechanic
Vocational, Technical or Trade Scho
755 satisfied customers
I have a 2004 freightliner that when under a load the truck
I have a 2004 freightliner that when under a load the truck will hick up and puff black smoke and the check engine light will come on and temp will go up for 3-5 sec and code are intake manifold temp … read more
ClaytonH729
ClaytonH729
Mechanic
Vocational, Technical or Trade Scho
755 satisfied customers
My freightliner bus with a Cummings engine and allison tranny
My freightliner bus with a Cummings engine and allison tranny has no low end power. if we try and go up a hill from a start the gas pedal goes to the floor and the RPM's don't move. if we put 2 by 4 a… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a 2006 frtliner columbia with det series 60 w/egr and
I have a 2006 frtliner columbia with det series 60 w/egr and it keeps on blowing turbo to exhaust manifold gasket.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
we have a fuso/canter 2007 which continuously blows black smoke
we have a fuso/canter 2007 which continuously blows black smoke but not at 2000 rpm under load is there a fault with the egr valve , if so can it be removed… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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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