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: 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: Forward Sensing Camera (FSC) (Some models)
Your vehicle is equipped with a Forward Sensing Camera (FSC). The Forward Sensing Camera (FSC) is positioned near the rearview mirror and used by the following systems. High Beam Control System (HBC) Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) Traffic Sign Reco ...