Table 1 shows twelve common engine and engine cooling related problems of the 2005 Mazda MAZDA3. The number one most common problem is related to the engine and engine cooling (five problems). The second most common problem is related to the engine cooling system (four problems).
Defective motor mount had to be replaced. Cost $400 at the dealer Read details...
Within 3 months, 2005 Mazda 3s has had a seized ac compressor (near fire) and blown passenger side electrical junction box. Read details...
2005 Mazda 3 hatchback with 55k miles had engine mount crack. Quick search online appears this is a common problem. Read details...