Mazda CX-5 Service & Repair Manual: Fuel Shut Off Valve

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Shut Off Valve

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 float and spring.

Operation

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:

Engine Coolant Temperature (ECT) Sensor Removal/Installation
WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Disconnect the negative battery cable.. 2. Remove the plug hole plate.. 3. Drain the engine coolant.. 4. Pull out the evaporati ...

Airflow Mode Control [Full Auto Air Conditioner]
Purpose The airflow mode control changes the airflow mode according to the vehicle environment. Function The airflow mode control drives the airflow mode actuator according to the mode switch, defroster switch, and the vehicle environment and switches the position of the ...

Air Fuel Ratio (A/F) Sensor Heater Control
Outline Based on the control of the A/F sensor heater, a stabilized oxygen concentration is detected even at low exhaust temperatures, and feedback control of fuel injection even at cold engine start is made possible for improved cold temperature exhaust emission performance. ...