Mazda 3 Owners Manual: Fuel and Engine Exhaust Precautions
Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED
FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
This vehicle will perform best wit ...
Other materials:
Center Cover Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the center panel..
3. Remove the upper clumn cover..
4. Remove the instrument cluster..
5. Pull the center cover in the direction of arrow (1) shown in the figure, then
remove the hooks.
6. Pull the center cover in the direction of ...
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)
...
Hydraulic Variable Valve Timing Actuator Inspection [Skyactiv G 2.0]
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Do not disassemble the hydraulic variable valve timing actuator because it
is a precision unit.
1. Remove the battery cover..
2. Disconnect the n ...
