does anyone know if i can do this faulty code myself P0544 Exhaust gas temperature sensor faulty and also do you know what caused it to go faulty it has under 20 hours on it even though it is a 2007 seadoo would my putting stabil in it and using it the following year it had a full tank and it took me all year to empty it i know i know i just dont have time to play all work here thanks guys