Gentlemen: exactly where do you pour that 3rd can of SeaFoam into the engine? I've used 'combustion chamber cleaner' on carb engines but never on a FI engine... On carb engines, I usually pour it directly down the carb while the Mrs. keeps her going. At the 3/4 mark of the can, I pour it in fast and kill the engine, then wait 20 minutes and then restart.
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