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Having problems with a 2014 mack MP8. Truck seems to buck or
Having problems with a 2014 mack MP8. Truck seems to buck or shudder around 1400 rpm. Seems to be more of an issue when cool in the morning. Truck is starting fine. Injectors were updated with stainle… read more
Steven
Steven
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Associates
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I had the same codes i inspected the EGR valve and it was
i had the same codes i inspected the EGR valve and it was very dirty i am wondering why my EGR valve would have gotten this way. Should i be searching for another up steam problem or is this a normal … read more
Steven
Steven
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2013 isx15 3375 fault. Excessive regen. 2013 peterbilt 386.
Exhaust removed, when you rev up and let off the throttle engine white smokes just before it comes back to idle. Replaced fuel control valve, fuel rail pressure sensor, egr diff pressure sensor, exhaust back pressure sensor. Cleaned egr cooler and valve, adjusted valves. Updated software. Cleaned dpf. Doc is spotted. Not horrible. Dpf looks good. 240,000 miles smoke smells like fuel. Driver recently claims engine is used by oil. Unable to verify yet. Regen log shows every 2 hours. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Second opinion] We installed a fuel module on our 5.9L
Second opinion] We installed a fuel module on our 5.9L cummings diesel engine and the engine failed we believe due to a spun bering. Would the module cause that. It is from Ag Solutions. … read more
Dorian Conley
Dorian Conley
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Vocational, Technical or Trade School
Sterling: Robert,I have a Cummins 6.7 in a 2007 Sterling
Hi Robert, I have a Cummins 6.7 in a 2007 Sterling truck. Complaint - limp mode intermittent problem. I took it on a test drive and noticed that it surged/ hesitates at cruising speed. I noticed that … read more
Daniel Wilson
Daniel Wilson
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2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in
2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in REGEN, for about 6 continuous hours of operation it was de-rated with bluish gray smoke coming from exhaust on steep hill climbs with a heav… read more
cumminsdr
cumminsdr
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High School or GED
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I have 2008 Cummins 2150 ISC engine in Freightliner Dump
Need Help From a Cummins Expert. I have 2008 Cummins 2150 ISC engine in Freightliner Dump truck. Complaint was a knock in engine. Installed Cummins INSITE and did injector cutout/performance test. Onl… read more
John Vieira
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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
Andy3221
Andy3221
truck /coach technician
Vocational, Technical or Trade Scho
222 satisfied customers
Good morning. Can increase power from 430 to say 800 on
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Daniel Wilson
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Cat C7 engine just started blowing copious amounts of oil
Cat C7 engine just started blowing copious amounts of oil out of the blowby tube. The engine was rebuilt 300+ hours ago and has had no problems. The engine also does not appear to be running poorly as… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have a Monico Motor home with a 8.3 325 Cummins motor. I
I have a Monico Motor home with a 8.3 325 Cummins motor. I feel it should have more power. Loaded truck sail by me on hills. My son has a motor home with a 5.0 cummins that leaves me way behind. What … read more
Jeremy
Jeremy
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HI name is ***** ***** have a 2008 max force 7 international, truck
HI name is ***** ***** have a 2008 max force 7 international, truck running fine then just lost power in the hwy pulled over it would only run 10 mph after about 5 miles it died, had the truck for 2 y… read more
Andy3221
Andy3221
truck /coach technician
Vocational, Technical or Trade Scho
222 satisfied customers
My fuel economy is all over the place. 5.5-8empty...4.7-6.5
My fuel economy is all over the place. 5.5-8empty...4.7-6.5 loaded. Power up hills,no power up hills...no power down hills... The colder the temps the less the mpg. I did have black coughing smoke at … read more
Andy3221
Andy3221
truck /coach technician
Vocational, Technical or Trade Scho
222 satisfied customers
We have a customer with a 2010 M2 business class freightliner
We have a customer with a 2010 M2 business class freightliner with engine #73012266 ISC Cummins it keeps getting code 2637/2639/1921 of course when 2637 occurs it stop you from doing a roadside regen … read more
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2WS Motor 550 Cat, New Injectors - o-rings, new turbo... reman
2WS Motor 550 Cat, New Injectors - o-rings, new turbo... reman head. I am having issues when its sitting idling for a long time 30+ min 1-2 Hours it will blow blue/white smoke after idling for a first… read more
Cat Man
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Need advice on good used s/a medium-duty road tractor
Need advice on good used s/a medium-duty road tractor: I need help in setting up an Over-the-Road hotshot rig; a good used medium-duty road tractor to pull a stepdeck or lowboy-type flatbed trailer ra… read more
Jeremy
Jeremy
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Associate Degree
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2011 Kenworth T660 with Cummins ISX400 (with DEF and DPF),
2011 Kenworth T660 with Cummins ISX400 (with DEF and DPF), 9 speed Eaton. 227k miles on the engine. This engine randomly (intermittently) goes into high idle *without* the regen light, warn engine lig… read more
Joe
Joe
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Associate Degree
112 satisfied customers
My friend has a 2003 Peterbuilt with the 600 Cummins. He is
My friend has a 2003 Peterbuilt with the 600 Cummins. He is having problems with the fuel being extremely hot after it returns to the tank. Anything under a half tank and you can't even place your han… read more
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Daniel Wilson

Daniel Wilson

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