Thread: Car getting horrible MPG

Check your vin # can call a dealer to see if the catalaytic converter is under warranty 100k warranty and my 02 GP did all the same crap replace plugs, wires coils egr maf sensor filters nothing worked until i cut the cat off and it ran great open exhaust it was a plugged cat making my car go into limp mode and ****ty mpg and no power could barley drive around town.