where is the fuel filter located? this is a 2004 Hyundai 2 The fuel filter IS part of the fuel pump. The pump and filter are combined into one working part and is located inside the tank. The tank is located under the back seat on the driver's side. My husband and son recently had all this apart. 2004 Hyundai Santa Fe 3.5 SOLVED: Where is the fuel filter located in a 2004 Hyundia Need to know where the camshaft position sensor is located on my 2004 Hyundia Elantra if you stand on the passengerside looking at motor the sensor is located to the left of the timing belt cover near the top of the motor this helps.