Mazda 6 Service Manual: No.13 knocking/pinging-acceleration/cruise

No.12 lack/loss of power-acceleration/cruise

No.14 poor fuel economy

Other materials:

Mazda 6 Service Manual: Engine coolant temperature (ect) sensor inspection
Note Perform the following inspection only when directed. ECT Sensor Resistance Inspection 1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.) 2. Remove the ECT sensor (located above the starter). 3. Place the ECT sensor in water with a thermometer, and heat the water gra ...

Mazda 6 Service Manual: Cruise Control Switch
  Cruise Main Indication (White)/ Cruise Set Indication (Green)     The indication has two colors. Cruise Main Indication (White)   The indication turns on (white) when the cruise control system is activated. Cruise Set Indication (Green) The indication turns on (gr ...