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:
Knock Sensor (Ks)
Purpose/Function
Detects abnormal combustion in the cylinder as basic information for mainly
determining the ignition timing.
Detects abnormal combustion in the combustion chamber and inputs it to the
PCM as a knocking signal.
Construction
Installed on the cylinder ...
PCM Removal/Installation
CAUTION:
There are two types of PCM settings. If the incorrect PCM is installed, it
could cause interference with engine control.
When replacing the PCM, verify the first four digits of the part number indicated
on the PCM label before replacement, and replace the PCM with one ...
Heater Hose Removal/Installation
With Water Temperature Sensor
1. Remove the battery..
2. Drain the engine coolant..
3. Remove the insulator.
4. Remove the clips and remove the heater hose.
5. Remove the heater hose.
6. Install in the reverse order of the removal.
7. Inspect for engine coolant leaka ...
