all it does is give you more or less fuel which if you dont know more fuel is better IF you car is tuned for it and less well you should get the idea
all it does is give you more or less fuel which if you dont know more fuel is better IF you car is tuned for it and less well you should get the idea
92 Lx 466, 11.8 @ 111 (Daily Driver)
98 sunfire GT (terrible gas mileage)