Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2015 cummins Isb 6.7 cm2350. under load the engine hestates
2015 cummins Isb 6.7 cm2350. under load the engine hestates and will blow white smoke. It sounds like the engine is back firing through the exhaust. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Seres.60 14 litre sputters in lower rpms.dyno shows only 250
Seres.60 14 litre sputters in lower rpms.dyno shows only 250 horsepower. Replaced turbo accuator.was non responsive,new fuel pump,egr cool check ok,dpf filter checked ok all wire harnesses checked ok … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a 3116 w/heui. starts good burns cleen,3500 no
i have a 3116 w/heui. starts good burns cleen,3500 no load,won't move in gear … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I need your help if you can .i do have freightliner Columbia
Please I need your help if you can .i do have freightliner Columbia 07 I did overhaul of the engine , I did change turbo, egr,vpod,delta sensor, turbo boos sensor, and I have still bower loose … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
Goid afternoon I have a 2009 Freightliner Cascadia with the
Goid afternoon I have a 2009 Freightliner Cascadia with the series 60 14 L while under acceleration and park truck has a really bad surge and smokes a little white fuel pressure is okay EGR valve is n… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Lets try this one more time, I have a Detroit 14L 2008 under
Lets try this one more time, I have a Detroit 14L 2008 under load in higher gears I will get a stumble for just a couple of seconds when getting into the fuel, it will come out and run good, I have no… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a simalar problem with 2 DT466 of 1999 era, will not
sorry i sent before finishing,, I have good cranking speed, I can see eng RPM while cranking, fuel pressure builds to 26 PSI, unfortunately my good scan tool is down so I cant see what the ECM is seeing for ICP however I did mechanically test and pressure on both rises to over a 1000 psi ( ICP removed and plugged back in to harness)..ried a different CMP and the one truck started a few times but now back to not starting … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I was driving it down the road at 70 mph and it just shut
I was driving it down the road at 70 mph and it just shut off like you would have turned the key off … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Kenworth t660 with cat c15 engine#SDP21414. My truck was blowing
Kenworth t660 with cat c15 engine#SDP21414. My truck was blowing black smoke not way too much but noticible despite the dpf it was also loosing coolant driver said it was pushing coolant out of overfl… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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DIESEL MECHANIC 14.0 L , HESITATION AND LOSS OF POWER
HESITATION AND LOSS OF POWER WHILE RUNNING ON THE HIGHWAY , IT HAPPEN ALL OF A SUDDEN THEN I RELEASE FUEL AND FUEL AGAIN IT FEELS LIKE NO FUEL PEDAL WORKING, BUT SOME TIMES IT DOES GO BACK AND WORK, WHEN I DRIVE AND LETS SAY I AM USING THE CRUISE CONTROL IT START LOSS POWER/ PICK UP POWER ON THE ROW AND SHAKING, I DID CHANGE TURBO, EGR SO FAR DONT KNOW WHAT TO DO , OH YEAH WHEN IT CHOKES ON THE HIGHWAY THE ENGINE LIGHT COMES ON, BUT WHEN LET GO OFF THE FUEL THE LIGHT GOES OFF, WHEN FUEL AGAIN IT COMES ON, AND SO ON, BUT AFTER A LITTLE WHILE ILL BE ABLE TO PICKUP SPEED AND GO, ITS BAD ON INCLINES START DIE FAST , … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Cummins isx lots of actuator problems was originally
Cummins isx lots of actuator problems was originally breaking actuator bolts that hold actuators together. Timing actuator on 123 cylinder . Have replaced 123 injectors by mechanic new relief valves o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
I have a 2008 Durastar (DT EGR) 129k miles. New owner dont
I have a 2008 Durastar (DT EGR) 129k miles. New owner dont know history, has smoked mostly white, but some dark too, since I bought it. First shop all new injectors, Second shop cleaned out cold side … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
2006 International 4400 with a Dt466E 310HP Rough and surging
2006 International 4400 with a Dt466E 310HP Rough and surging idle warm or cold does it randomly. Loud clacking under engine cover. Replaced ICP, IPR, CPS, injector o rings, oil inlet adapters (pucks)… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
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
Mechanic
High School or GED
1,351 satisfied customers
Andy.I have an international 4300 dt466. it starts and stalls...
Andy.I have an international 4300 dt466. it starts and stalls... no codes, new primer pump and new lines form tank to engine...any ideas?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
catman I have eng sn SPD04125 it appears to be pushing coolant.
catman I have eng sn SPD04125 it appears to be pushing coolant. Initially the surge tank pressure relief was plugged so I cleaned that out and it works fine now. I just checked the reserve tank and it… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a 2000 Detroit diesel 60 in a 2003 freightliner. The
I have a 2000 Detroit diesel 60 in a 2003 freightliner. The truck has very low power in high range without a load-no misfire no smoke. Fuel psi at idle is 15, 35-45 midrange and maxes out at 70 psi ne… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
I have a 06 coronado with a 14l Detroit. We are having a problem
I have a 06 coronado with a 14l Detroit. We are having a problem with when you're pulling a hill with a load on, the ck engine light will come on, the boost will fall out of bed and the truck has no p… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
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Daniel Wilson

Daniel Wilson

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