Possible Causes
WARNING: This page is about a different car, the 2003 Mazda MPV and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- IAC valve circuit malfunction.
- Open or short between IAC valve and PCM harness connectors.
- PCM malfunction.
- Poor connection at IAC valve or PCM harness connectors.