Mazda CX-5 Service & Repair Manual: 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:
Air Intake Actuator [Full Auto Air Conditioner]
Purpose
The air intake actuator moves the air intake door in the blower unit to switch
the air intake port.
Function
The air intake actuator drives the motor based on the signal from the climate
control unit and moves the air intake door to the FRESH or REC position.
...
Heated Oxygen Sensor (HO2 S)
Purpose/Function
Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust
gas as basic information for mainly determining the fuel injection amount and
as information for determining the deterioration of catalytic converter.
Detects the oxygen concentration ( ...
Shift Pressure Control (Direct Electric Shift Control) [Fw6 A EL, Fw6 Ax EL]
Outline
The TCM drives shift solenoids No.1, 2, 3, 4, the pressure control solenoid,
and the on/off solenoid based on inputs signals from each switch and sensor,
and performs direct electronic control of the clutch engagement pressure. As
a result, precise hydraulic pressure control ...
