Medium and Heavy Trucks

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I have an ISX 485, eng. # 79294286. Driver reports sudden
I have an ISX 485, eng. # 79294286. Driver reports sudden loss of power and smoky exhaust. I used TEXA to determine a 'no pass' on #6 cylinder performance test. Just a pass/fail indicator, no percenta… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
173 satisfied customers
I drive a 2008 KW t660 with a Cummins ISX 485 engine. I have
I drive a 2008 KW t660 with a Cummins ISX 485 engine. I have an issue where I will be driving and the stop engine light comes on, I lose my throttle on the pedal, but my cruise can be set and the truc… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
173 satisfied customers
I have a 09 kw with isx 485 it started cutting out what I
I have a 09 kw with isx 485 it started cutting out what I mean by that is I will be going up a hill and the jake comes on and brings the truck to idle it does not quit the check stop engine light come… read more
Steven
Steven
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173 satisfied customers
Looking to talk to a Volvo d12 expert my truck surges at
Looking to talk to a Volvo d12 expert my truck surges at idle goes from 600 rpm to almost stalling and it keeps doing it until I apply presure to the fuel pedal than it runs great there is a check dat… read more
Steven
Steven
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Just performed an in-frame overhaul on an N14 select plus
Just performed an in-frame overhaul on an N14 select plus ser#11883684. Reason for overhaul was 900k plus miles and coolant leak at #2 head gasket. Driver had no drivability complaint. We replaced 2 i… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
2007 KW T800 VIN 9J244138 Looking for a cab wiring diagram,
2007 KW T800 VIN 9J244138 Looking for a cab wiring diagram, mostly centering on the TPS wiring.… read more
Andy
Andy
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Vocational, Technical or Trade School
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I have a isx and have a spn 641. Fmi9 code engine seems to
I have a isx and have a spn 641. Fmi9 code engine seems to be running fine. … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
500 satisfied customers
I rebuilt my series 60 detroit and it smokes blue, it starts
it starts hard in cold weather i dont think it smokes going down road but if it idles for a while and it canbe running at 180 temp and still smoke … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have a cummins isx ser#79143821. It shut down on the road
I have a cummins isx ser#79143821. It shut down on the road won't start.Towed back to shop have code 0482 lift pump & gear pump have been replaced. It will start on starting fluid at wide open throttl… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 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
3,632 satisfied customers
, we have a 02 signature 600 and my driver started the truck
Hi, we have a 02 signature 600 and my driver started the truck for 10 minutes and started driving down the road and the engine ran away. We checked the truck and there is no oil coming out of the exha… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
having hesitation on 60 series Detroit at 13-1400 rpm on acceleration after shift. Also p
having hesitation on 60 series Detroit at 13-1400 rpm on acceleration after shift. Also puffs smoke during this.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have a 2001 Monaco Diplomat Motorhome with a Cummins 330hp
I have a 2001 Monaco Diplomat Motorhome with a Cummins 330hp ISC. I have a very random issue with the motor. Sometimes, when I remove my foot from the gas pedal, I lose my boost. When this occurs, pre… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 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
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,358 satisfied customers
Recently completely rebuilt a 60 series. ALL new everything...turbo,
Recently completely rebuilt a 60 series. ALL new everything...turbo, fuel lines, infectors, head, injector harness, hoses, belts, pistons, liners, rockers, gaskets etc. Everything is new but the block… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
419 satisfied customers
On a Cummins ISX what are the possible causes for the rear
On a Cummins ISX what are the possible causes for the rear bank to be dead (4,5,6) after an in-frame overhaul. I've swapped actuators and seen no difference.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Im working on a internation 9400i with a cummins isx that is
Im working on a internation 9400i with a cummins isx that is derated and can not figure out why. The only code that is active is an EGR pressure differential code. Using cummins insite diagnostic test… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I've to some really strange things happening on a isx
I've to some really strange things happening on a isx signature 600. Here is a explanation as best as I can put it hopefully someone can point me in the right direction. On flat ground driver lost pow… read more
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