Possible Causes
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- Air suction in intake air system (between dynamic chamber and cylinder head)
- Fuel injector malfunction
- High-tension lead malfunction
- Inadequate engine compression due to engine internal malfunction
- PCM malfunction
- Related connector or terminal malfunction
- Related wiring harness malfunction
- Spark plug malfunction