I have the gas tracker app on my phone. Iv noticed the Fuelly website and the gas tracker app don't mirror data. Iv noticed the app seems to round up or down your mpg and such. Also noticed it's one mile off with my tracked data. What's up with this?
2002 GMC Sierra 4.3 (W), 5spd, 4x4.
Mods: K&N drop-in, modded air box, modded throttle blade, X injectors, Flowmaster 50 series, BBK underdrive Pulleys (3pc), e-fans, personal HPT tune.