Mazda CX-5 Service & Repair Manual: Purge Solenoid Valve Inspection
Airflow Inspection
1. Disconnect the negative battery cable..
2. Remove the purge solenoid valve..
3. Inspect airflow between the ports under the following conditions.
|
Measured condition |
Continuity between ports A—B |
|
When voltage is not applied between terminals A and B |
No airflow |
|
When voltage is applied between terminals A and B |
Airflow detected |
-
If not as specified, replace the purge solenoid valve..
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 ...
Purge Solenoid Valve Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the air cleaner and air hose as a single unit..
4. Disconnect the high pressure fuel pump connector.
5. Dis ...
Other materials:
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.
...
Clutch Disc Inspection [C66 M R]
Operation Inspection
1. Inspect the lining surface for discoloration and grease adhesion.
2. Inspect the torsion spring for weakness and the rivets for looseness.
3. Using a vernier caliper, measure the depth between the lining surface and
the rivet head.
Minimum clutch disc thicknes ...
Miller Cycle Engine
Outline
The Miller cycle engine is a high-efficiency engine which achieves high fuel
economy performance by obtaining a high-expansion ratio.
The Miller cycle engine achieves a high-expansion ratio without increasing
its effective compression ratio by retarding the intake air va ...
