rvilla2279
New member
im getting 17mpg it can get as good as 20mpg on hwy, im still breaking my head why, all maintenance done in time,i have checked the intake for leaks and installed new air filer , has new intake manifold from dealer which comes with new injectors built-in ,new oem spark plugs serpentine belt with new pulley new battery new coil pack new battery , and recently also replaced vacuum lines im using synthetic mobile motor oil, i have no check engine light. i tryed replacing the 02 sensors with basic after market drove for a month the was no change in mpg i then cleaned and reinstalled stock bosch 02 sesors also no change in mpg i did an alignment also replaced all tires and kept all equal recommended tire pressure on them . any ideas on what to do next for my poor mpg?
