Originally Posted by
K_F150_Texas
Anyone tried an after market computer chip to improve gas mileage?
Pros vs cons?
i got snake oil that will work better!
a tuner might net you some, maybe .5 to 1.5 mpg more. is it worth the cash it cost to get such a low return out of it? i don't know but only you can make that call. the only true way to increase MPG is to change your driving habits or buy a focus.