Do any of the hand held tuners acually pick up gas milage as claimed.
Do they have a lean cruise mode or what ?
I'm getting some mods done for free and thought maybe a tuner would complement them and pick up some gas milage as well.
TIA
Do they have a lean cruise mode or what ?
I'm getting some mods done for free and thought maybe a tuner would complement them and pick up some gas milage as well.
TIA