Q: Where is the location of the in-line fuel filter and how often should it be renewed?A: An in-line fuel filter is located at the left-hand side of the radiator. This sealed unit should be renewed every 40,000 miles (60000 km). Make sure that the filter is fitted the correct way round inlet at the bottom and outlet at the top. The filter is usually marked 'IN'(EIN)'OUT'(AUS).