Kenworth T680 MX13 Lost Fuel Pressure And Now DPF Is Fried.

Topic 23228 | Page 1

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Paul I.'s Comment
member avatar

So guys and gals, I'm new to posting here, but I have been reading several years now..

Just recently picked up a KW T680 and started off on my journey to get a load and the truck pulling an empty would fall on its face on the Penn Tpk mostly Blue Mtn. Had to break it down to low range in 4th gear!

Low fuel pressure warning came on and I shut it down and checked it out and when I restarted it it ran fine. Get to Breezewood and it keeps shutting down. Pull in to the TA swap filters which look to have never been changed and back on the road and rolling the regen light comes on then about 30 sec later it goes into derate and I limp it to New Stanton PA. I'm currently at the KW dealership still and had both Common Rail Pumps Failed and replaced and still wont do a regen and now replacing the whole SCR system. Lol.

What a week for me.

Anybody else ever have the same issue?

PJ's Comment
member avatar

I lost a high pressure pump on a T660 but it didn’t effect the dpf system at all. with the loss of pressure maybe it caused a blickage of the fuel line to the back of the turbo. Thats were it injects to build the heat during regen

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