gt07ford

whats going on i have a 07 gt manual... i love the car and recently i put ina cai and sct2 tune from brenspeed.... it was good at first but i have noticed ive been having a problem whenever im at around 5,000 rpms in 3rd gear it sputters and when im in 4th around 4 or 5 rpm it dosent want to go anymore i was justwondering if you guys could give me any ideas on what it could be thanks....

howarmat

what oct you running in the car, what oct is the tune for

hammeron

if this were happening to my car, i
would try data logging

you could always return the car to stock
and see if it's the tune or the vehicle, if
it's vehicle, it's dealership time

gt07ford

im running 93 right now.... a first i thought there was water in my tank but i drained it out and put in fresh 03 and it still does it...i have no clue what it could be...