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: Driving on Uneven Road
Your vehicle's suspension and underbody can be damaged if driven on rough/uneven roads or over speed bumps at excessive speeds. Use care and reduce speed when traveling on rough/uneven roads or over speed bumps. Use care not to damage the vehicle's underbody, bumpers or muffler(s) when driving ...

Mazda 6 Service Manual: To Increase Cruising Speed
Follow either of these procedures. To increase speed using cruise control switch Press the RESUME/ switch and hold it. Your vehicle will accelerate. Release the switch at the desired speed. Press the RESUME/ switch and release it immediately to adjust the preset speed. Multiple operations wil ...