towing with a 6.0 and sct

[rodshemi]

Hello everyone, I was hoping someone could tell me if I needed to tow in tow haul mode or just drive normal in my f350 when I am running the sct sf3programer in tow mode. My camper loaded is about 8000#. thanks for your help.

[mazsecond]

Yes you do. Activating tow haul will allow the tune to work properly and aid in actuating the engine brake and holding shifts and locking the torque converter.

[rodshemi]

Thanks mazsecond for you speedy reply. I am new to the diesel world. I just installed the sct Thursday and towed my camper on the mild tow tune for about 35 miles with it in tow haul and blew an oring on the stand pipe(think I said it right) and left me stranded with camper in tow. It has been hard to start off and on the whole time I have had it, maybe the two are related, coincidence? Was hoping I didnt do something wrong.

[Evil Eye]

Nope, you didn't do anything wrong. Sounds like the older style STC fitting has blown on you causing a high pressure oil leak and your subsequent hard start/no start problem. Let me guess, you have an 05 truck? This problem was more prominent on 05-early 06 trucks, but now there is a new style STC fitting that won't leak. Getting that fitting replaced with the newer style will ensure you never have this issue again. Be sure and ask them about changing your stand pipes and dummy plugs while they are in there.

[rodshemi]

thanks Evil eye your right its an 06 built late 05. Other than the starting issue I have had and the ficm going bad I love the truck. The dealer did replace the pipe and the dummy plugs as well as an oring for the high pressure pump, said that would be next to go out so I let them replace it.

[Evil Eye]

Great to hear. Sounds like you are getting things fixed a little bit at a time. They can be VERY stout when you get all the wrinkles ironed out of them. And, like you, I absolutely LOVE my truck!