2016 – MX-5 – Engine

FUEL SHUT-OFF VALVE [SKYACTIV-G 2.0]

U.S.A. And CANADA

Purpose, function

• Prevents fuel from flowing to the charcoal canister during tight turns or vehicle rollover.

• Releases evaporative gas to the charcoal canister.

• While refueling, the fuel shut-off valve closes to prevent a fuel overflow.

Construction

• The fuel shut-off valve is built into the fuel tank.

  

• The fuel shut-off valve consists of a float, spring, and valve.

  

Operation

• When the amount of fuel is high, the valve is closed by the ascending force of the float.

  

• When the amount of fuel is low, the valve opens under the float’s own weight to release evaporative gas to the charcoal canister.

  

• During sudden cornering or vehicle rollover, the valve is closed by the ascending force of the float and spring force.

  

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