Mazda 6 Service Manual: No.14 poor fuel economy

No.13 knocking/pinging-acceleration/cruise

No.15 emission compliance

Other materials:

Mazda 6 Service Manual: Fuel Gauge (Without Multiinformation Display)
The fuel gauge shows approximately how much fuel is remaining in the tank when the ignition is switched ON. We recommend keeping the tank over 1/4 full. If the low fuel warning light illuminates or the fuel level is very low, refuel as soon as possible. Refer to Warning Lights. NOTE ...

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 ...