Mazda CX-5 Service & Repair Manual: Fuel Shut Off Valve
U.S.A. And CANADA
Purpose, function
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Prevents fuel from flowing to the charcoal canister during tight turns or vehicle rollover.
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Releases evaporative gas to the charcoal canister.
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While refueling, the fuel shut-off valve closes to prevent a fuel overflow.
Construction
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The fuel shut-off valve is built into the fuel tank.
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The fuel shut-off valve consists of float and spring.
Operation
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While refueling or due to fuel sloshing, the float is flooded with fuel and the floating force causes the valve to close. Also, during a vehicle rollover, the valve closes due to balance between the float gravity and spring.
Fuel Shut Off Valve Inspection
U.S.A. And CANADA
NOTE:
The fuel shut-off valve cannot be removed and inspected as it is built into
the fuel tank.
1. Perform the fuel tank inspection..
If there is any malfu ...
Fuel System
Purpose, Outline
A multiple hole type fuel injector has been adopted which provides higher
fuel injection accuracy for improved fuel efficiency and output.
Piston movement-compressio ...
Other materials:
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Front Center Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the center speaker grille..
3. Remove the front center speaker..
4. Verify that the resistance between the front center speaker terminals is as
indicated in the table.
If not as indicated in the table, replace the front center ...
Oil Control Valve (OCV)
Purpose, Function
The OCV switches the oil passage to the hydraulic variable valve timing actuator
to control the opening/closing period of the exhaust valve.
Construction
The OCV is installed to the exhaust camshaft cap (No.1).
The OCV consists of a spool valve wh ...
