P2111 Mercury - what is this fault and how tdo i repair

Question

The fault on my mercury was p2111 how do i fix this problem

Answer 1

P2111 Throttle actuator control (TAC) system stuck open

When the TAC stick open this is accompanied by rough idle and reduced power, this is common, it is a hardware failure where the ETB (electronic throttle body) will need to be replaced, There is a TSB about this TSB # 09-23-5. Check to see if you under a limited warranty for this symtom