6.7L Cummins Forum

hey I have a 08 ram3500 with a 6.7L, I have AFE cold air, 4" turbo back exhaust and a smarty tuner, DPF is deleted and EGR valve is disconnected. When I am pulling a load and the truck is working hard it seems like the turbo cuts out for a bit then comes back on..........Any ideas or help would be awesome.

Thanks all

Sounds like it could be the smarty. Have you shut it off and drove the truck to make sure it's the truck and not something you added?

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10

May wanna check the intake tube to your turbo from your Air Intake Kit, may be a bad tube. Get's hot and soft and start to collapse??

Maybe something in the tuner that is making the computer you need to cut back on fuel or something like that?

I was told it may be the turbo over spooling, so I changed levels and adjusted torque, rail pressure, etc then my tranny blew........ lamo dodge trannies. So thousands of dollars later we will see.

thanks for the help

So are you running the Auto or manual transmission?

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10