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August 3, 2021 Service bulletin

2011-2015MY

Hyundai technical service bulletin 21-01-036H for 2011-2015 Hyundai Sonata Hybrid.

Bulletin number
21-01-036H
Component
Fuel system, gasoline: storage: evaporative emissions: hoses/valves/sensors
Summary
2011-2015MY Sonata Hybrid (YF HEV) vehicles Onboard Refueling Vapor Recovery (ORVR) system may exceed its capacity in certain situations. This bulletin provides the procedure to install an Auxiliary Canister to increase the ORVR system capacity. There are no drivability concerns associated with this condition.

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