
Diagnostic procedure

Dtc 21
Dtc 31Mazda 6 Service Manual: 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 with fuel listed in the table.
* U.S. federal law requires that octane ratings be posted on gasoline st ...
Mazda 6 Service Manual: Crankshaft position (ckp) sensor removal/installation
Removal
1. Perform the following procedure to making the working space.
(1) Remove the Front wheel (RH).
(2) Remove the splash shield.
2. Disconnect the CKP sensor connector.
3. Remove the installation bolts to remove the CKP sensor.
Installation
Caution
When foreign material such a ...