Chuggin up hill????

[Mason73]

So my 6.7 has 10,000 miles on it and last night I was accenting a small grade with the radio cranked and I was maintaining about 45 mph. I started to feel almost a pulsating response from the engine, I turned the radio down and it was making almost like a chugging sound with power surging. As soon as I stepped on the pedal a little harder it went away. Anyone else felt this?

[doczenith1]

I've felt that at low speed putzing around the neighborhood. A little more pressure to the throttle and it goes away.

[AlbertaStroker]

I get the same when hitting resume on the cruise control at 100-110kmh. If I hit the + button on the cruise set it goes away

[Joe 6.7]

There is a update that helps the tranny. I havnt heard that sound after the update.

[matty21]

in have that update, and it still does it. i found just keep it floored . that seems to help

[Joe 6.7]

Originally Posted by matty21

in have that update, and it still does it. i found just keep it floored . that seems to help

You have the update that was just released in april? Not the 400/800 update the tranny update. I know when I had mine done I couldnt hear it anymore. Just trying to help.