Possible Causes
WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
- CKP pulse wheel malfunction.
- CMP sensor is dirty.
- CMP sensor malfunction.
- Connector or terminal malfunction.
- Short or open circuit between CMP sensor and PCM.