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I have a 2002 196 with the gt-40 (350 hours). The boat idles very rough and sometimes stalls after it has been sitting for 45 minutes + after being run. If it stalls, it will start right back up but will idle rough and may stall a second time. It also smells like it is running rich during this rough idle/stall period. This only happens when the boat is hot, say after pulling 3 skiers in a row and then letting the boat sit at the dock for a while. Once I give it some throttle the idle will smooth out some and then once I give it throttle to pull the skier up the boat will operate fine. This problem seems to be getting progressively worse.
I have performed the following:
New fuel filter
New temperature sensor
New cap and rotor
I have performed the following:
New fuel filter
New temperature sensor
New cap and rotor