Ok, also one more question. Is it possible to damage my vehicle using the performance tune or is it only the extreme tune that I need to monitor with gauges?

I have tried resetting it, it always ends up around the same.

No, visible on the dash.

I am just trying to find out if anyone has a good tune to save on fuel in my 2008 Ford F-250 Diesel. Was hoping that now it has been out for a while somebody has come up with a good fuel economy tune. I have tried each of the standard tunes for quite a while and can't seem to get any improvement on ...

Thank you very much Don the email is [email protected]

9r11

Spent over an hour and twenty minutes on hold for tech support and now they are closed..

I drove all the way back to Montgomery, AL from Florida to get unit fixed and apparently it was just a bum unit..they couldnt even update. Now I have reported back to California where I am staioned and drove 30 miles to get the new one I ordered and now it says unsupported cal id. Newest update of ...

I have a 2008 6.4 L F250 Diesel. I just bought the predator U7164 and for the initial tune once i get to the disclaimer and press accept it just freezes. Same if i try to run diagnostics or look at cal id. Last tune reads original factory.