Clarks Landing Yacht Sales’s entire team of technicians is now factory certified for Volvo, Mercury, and Yamaha. Andrew Mauger is the latest technician to acquire a new certification and factory training after attending the Volvo Catalyst class. He is now certified in Volvo Penta engines. During the class, Mauger covered engine catalytic converters and the oxygen sensors that are used to monitor them. He also learned about the theory and diagnosis for the Volvo Catalyst, as well as the procedures for how to repair them.