Engine Runs Rough On Deceleration
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 1995 Mazda RX-7, 1995 Mazda Protege, 1995 Mazda Millenia, 1995 Mazda MX-6, and 1995 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
- Verify idle speed is correct.
- Verify correct throttle body dashpot adjustment.
- Check coolant thermosensor and throttle position sensor.
- Check bypass air control valve or IAC valve for malfunction.
- Check fuel pressure regulator.
- Check HO2S operation.
- Check throttle position sensor and closed throttle switch.
- Check airflow sensor operation.