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: Engine coolant
ENGINE COOLANT LEVEL INSPECTION Verify that the coolant level in the coolant reservoir is between the F and L marks. If the engine coolant level is below L, remove the radiator cap and add coolant. (See COOLING SYSTEM SERVICE WARNINGS.) ENGINE COOLANT REPLACEMENT Warning Drain the ...

Mazda 6 Service Manual: Sunroof relay inspection
Note Sunroof relay is built in the sunroof motor. 1. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.) 2. Connect the sunroof switch connector. 3. Measure the voltage at the sunroof relay terminals as indicated below. 4. Disconnect the sunroof relay connector before inspecting fo ...