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: Recommendations for Shifting
Upshifting For normal acceleration and cruising, Mazda recommends these shift points: *1 Always observe local speed limit regulations. Downshifting When you must slow down in heavy traffic or on a steep upgrade, downshift before the engine starts to overwork. This gives better acceleration w ...

Mazda 6 Service Manual: Road test
Warning When performing a road test, be aware of other vehicles, people, impediments, etc. to avoid an accident. Note When the legal speed limit must be exceeded, use a chassis dynamomenter instead of performing a road test. Road Test Preparation 1. Inspect the engine coolant le ...