1. Remove the catch tank..
2. Plug the purge solenoid valve side into the catch tank.

3. Inspect for air leakage when blowing air using your mouth into the charcoal canister side.
If there is air leakage, replace the catch tank..
Catalytic Converter
Catch TankKnock 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 ...
Electric Variable Valve Timing Motor/Driver Removal/Installation
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Applying excessive force (force of 100 N {10.2 kgf, 22.5 lbf} or more) to
the electric variable valve timing motor/driver may cause a malfunction. When
...
Engine Oil
NOTE
Changing the engine oil should be performed by an Authorized Mazda Dealer.
Refer to Introduction for owner's responsibility in protecting your investment.
Recommended Oil
U.S.A. and CANADA
0W-20 full synthetic recommended:
Mazda Genuine Oil is used in your Mazda vehicle and is t ...