Caution

Diagnostic procedure

Dtc b1483, b1484, b1486
Dtc b2477Mazda 6 Service Manual: Compression pressure
COMPRESSION INSPECTION
Warning
Hot engines and oil can cause severe burns. Be careful not to burn
yourself during removal/installation of each component.
1. Verify that the battery is fully charged.
Recharge it if necessary. (See BATTERY INSPECTION.)
2. Warm up the engine to the no ...
Mazda 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 ...