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: Ignition coil inspection
Primary Coil Winding 1. Remove the ignition coil. 2. Measure the resistance between the following lead holes using an ohmmeter. A and B, B and C - If not specified, replace the ignition coil. Specification 0.49-0.57 ohms [20°C {68°F}] Secondary Coil Winding 1. Remove the igni ...

Mazda 6 Service Manual: Oil filter
OIL FILTER REPLACEMENT For Europe (LF and L3 engine models) Caution To avoid damage to the oil filter, use only specified oil filter. 1. Remove the oil filter drain plug. 2. Untighten the oil filter cover for 2 turns and drain the engine oil. Note Oil could be easily drained when th ...