Mazda 6 Service Manual: No.20 fuel odor (in engine compartment)

No.19 exhaust smoke

No.21 engine noise

Other materials:

Mazda 6 Service Manual: Three-way catalytic converter (twc) inspection
Note Make sure that no HO2S DTCs have been detected. If detected, this inspection is not applicable for TWC inspection. 1. Connect the WDS or equivalent and monitor PIDs as following. Monitor the right TWC using O2S11 PID for upstream HO2S and O2S12 PID for downstream HO2S. 2. Be ...

Mazda 6 Service Manual: Oil pan
OIL PAN REMOVAL/INSTALLATION Warning Hot engine and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled. 1. Disconnect the negative battery cable. 2. Remove the under cover. 3. Drain the engine oil. (See ENGINE OIL REPLACEMENT.) 4. Re ...