i got a 95mazda 626 v6 and my gas millage is shot i get maybe if im lucky 12mpg not even and i dont know what to do i thinking of getting new injectors but i dont know if that will help if any 1 know something please help

 

plugs and fuel filter

 

KNOWN FOR 02 SENSOR PROBLEMS-TRY THOSE

 

How is your driving style? Other than the Oxygen Sensor just look for leaks. When you remove the petrol cap do you hear a suck as if there was a vaccum present.

 

Either you have a huge injector leak, a bad Oxygen sensor, or you are driving like a maniac, or only idling around town.