helppp
#1
#2
you can turn it up all you wount and it wount hurt your mpg. your right foot is what hurts it. when you turn up you pump your changing the fuel map. all that will do is alow you to use more fuel. if you drive it the same as you do now your mpg wount drop but if you have a heavy foot it will.
#4
#5
did you check for fuel leaks? how long do you leave your truck idel? whos injectors are you running?
#6