It was not set properly in the grooves when changed a few months ago but changed again last weekend. How much of a difference is it apt to make?
How much can a bad serpentine belt affect MPG?
None. Just will get longer life out of the new one.
How much can a bad serpentine belt affect MPG?
Not at all it will just break and leave you stuck on the side of the road
it don,have any thing to do with the gas mileage, just the electrical part of the car.
