Mazda 3 Service Manual: Check Valve (One Way) Inspection [Mzr 2.3 Disi Turbo]
1. Disconnect the vacuum hose connected between the check valve and the purge solenoid valve from the purge solenoid valve..
2. Disconnect the vacuum hose connected between the check valve (one-way) and the intake manifold from the intake manifold..
3. Blow through the check valve (one-way) and verify that air flows as specified.
Specification
|
Condition |
Airflow |
|
Air applied from port A to B |
Yes |
|
Air applied from port B to A |
No* |
* The check valve (one-way) is normal if the aeration to port A is 3.5 kPa/min {0.03 kgf/cm2 min, 0.5 psi/min} or less
when 130 kPa {1.32 kgf/cm2, 18.9 psi}
is applied to port B.
-
If not as specified, replace the check valve (one-way)..
Charcoal Canister Removal/Installation [Mzr 2.0, Mzr 2.5]
Except for Mexico
1. Remove in the order indicated in the table.
1
Evaporative hose
2
Quick release connector
(See QUICK RELEASE CONNECTOR ...
Check Valve (Two Way) Removal/Installation [Mzr 2.0, Mzr 2.5]
Mexico
NOTE:
The check valve (two-way) cannot be removed as it is built into the rollover
valve.
The rollover valve cannot be removed as it is built into the fuel tank.
1. Re ...
Other materials:
Windshield Removal
1. Disconnect the negative battery cable.
2. Remove the following parts:
a. Windshield wiper arm and blade.
b. Cowl grille.
c. Rain sensor (Vehicles with auto light/wiper system).
d. Auto-dimming mirror (Vehicles with auto-dimming mirror).
e. Rear view mirror (Vehicles without auto-dimmi ...
Tachometer
The tachometer shows engine speed in
thousands of revolutions per minute (rpm).
CAUTION
Do not run the engine with the
tachometer needle in the RED ZONE.
This may cause severe engine damage.
Type A
*1 The range varies depending on the type
of gauge.
Type B
*1 The ...
Air Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S11 (A/F sensor output current)
...
