bad fuel economy

[mazzaman]

anyone have any idea what would cause a 95 accent to suddenly start burning twice the amount of gas that it usually burns,and no theres no leak.i know nothing about these cars it belongs to my mom.

[jaaribear]

how clean is the air filter, when the plugs been changed last with ngks?
you might have dead 02 sensors or some other sensor.
you should take it in and have it scanned