Mazda 6 Service Manual: No.28 spark plug condition

No.27 constant voltage

Diagnostic procedure ...

Intermittent concern troubleshooting

  Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons vehicle or ...

Other materials:

Mazda 6 Service Manual: Thermostat
THERMOSTAT REMOVAL/INSTALLATION 1. Remove the plug hole plate. 2. Disconnect the negative battery cable. 3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.) 4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.) 5. Remove the washer tank. 6. Remove the P/S oil pump. Note ...

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 ...