SPORT FUEL BURNER
the majority of the fumes entering.
There is a facility on the diagnostic equipment to check the operation of the fuel burning heater. I have known them to over fuel and, as a result cause excessive fumes and increase fuel usage. I would advise that you have a fault code check carried out on the vehicle to ensure that all the engine-related systems are functioning correctly, thus confirming there is no other cause for the excessive fuel consumption. Duckworth Land Rover