Mazda 6 Service Manual: No.8 engine runs rough/rolling idle

No.7 slow return to idle

No.9 fast idle/runs on

Other materials:

Mazda 6 Service Manual: To Decrease Cruising Speed
Press the SET/ switch and hold it. The vehicle will gradually slow. Release the switch at the desired speed. Press the SET/ switch and release it immediately to adjust the preset speed. Multiple operations will decrease the preset speed according to the number of times it is operated. Decr ...

Mazda 6 Service Manual: Oil cooler
LF, L3 1. Remove the under cover. 2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT.) 3. Remove the oil filter cover, and drain the engine oil into a container. (See OIL FILTER REPLACEMENT.) 4. Remove in the order indicated in the table.   5. Use a clean rag to wipe off the m ...