89' ranger 2.9 v6--- bad gas mileage, HELP!!!
i got an 89 ranger with a 2.9l v6 engine in it and im getting like 9-10mpg if im lucky 11mpg. i looked up what its supposed to be getting and it supposed to get around 16-18, i got a k&n air filter on it dual exahaust and just put it in a new map sensor. could someone please tell me what could be wrong with my truck... please!