
Diagnostic procedure

Dtc p0420
Dtc p0480Mazda 6 Service Manual: Spark plug removal/installation
1. Disconnect the negative battery cable.
2. Remove the plug hoie plate.
Lift off and remove the plug hole plate from the installation areas
(rubber and clips) as shown in the figure.
3. Disconnect the high-tension lead.
4. Remove the spark plugs using the plug-wrench.
5. Install th ...
Mazda 6 Service Manual: Rear bumper removal/installation
1. Disconnect the negative battery cable.
2. Remove the rear combination light.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Rear Bumper Removal Note
Pull the rear bumper ends (wheel arch) outward to disengage with the bumper
slider.
Cautio ...