Hyundai accent 2003
 

Help my lovely car is playing up . i filled up with petrol yesterday full tank and i have only done 55 miles and i am on half a tank already i don't know what the problem can be do any of you have an idea what the problem is there is no leak;) it an automatic and has very low miles 36000

Well, it sounds like a fuel level sensor (float in the tank) is stuck...