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- For select MerCruiser sterndrive MPI (multi-port injection) engines
- Replace the IAC valve gasket when servicing or replacing the idle air control valve for proper seal
- Proper functioning idle air control valve controls the amount of air needed for your engine to maintain a steady idle rpm speed
- Additional gaskets or seals may be required when replacing the IAC valve
- See your service manual for instructions
- For select MerCruiser sterndrive MPI (multi-port injection) engines
- Replace the IAC valve gasket when servicing or replacing the idle air control valve for proper seal
- Proper functioning idle air control valve controls the amount of air needed for your engine to maintain a steady idle rpm speed
- Additional gaskets or seals may be required when replacing the IAC valve
- See your service manual for instructions
