EXHAUST SYSTEM INSPECTION
Start the engine and inspect each exhaust system component for exhaust gas leakage.
EXHAUST SYSTEM REMOVAL/INSTALLATION
Warning
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.


HO2S Removal Note
Remove the HO2S using the SST
before removing the exhaust manifold.

Exhaust Manifold Installation Note
Tighten the exhaust manifold installation nuts in the order shown.

Fuel injector inspection
Emission systemMazda 6 Service Manual: Starting the Engine
WARNING
Radio waves from the key may affect medical devices such as pacemakers:
Before using the key near people who use medical devices, ask the medical device
manufacturer or your physician if radio waves from the key will affect the device.
NOTE
The key must be carried because the key c ...
Mazda 6 Service Manual: Oil pump
OIL PUMP REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Drain the engine oil. (See ENGINE OIL REPLACEMENT.)
3. Remove the oil pan. (See OIL PAN REMOVAL/INSTALLATION.)
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6. Inspect the en ...