Idle Mixture Inspection
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that the idle speed and ignition timing are within the specification. (See IDLE SPEED INSPECTION .) (See IGNITION TIMING INSPECTION .)
- Insert an exhaust gas analyzer into the tailpipe.
- Verify that the CO and HC concentrations are within regulation.
- If there is a malfunction, refer to "SYMPTOM TROUBLESHOOTING - ENGINE
".
- If no malfunction is detected, replace the catalytic converter. (See EXHAUST SYSTEM REMOVAL/INSTALLATION
.)
CO concentration
Within the regulation
HC concentration
Within the regulation
- If no malfunction is detected, replace the catalytic converter. (See EXHAUST SYSTEM REMOVAL/INSTALLATION
.)
- If there is a malfunction, refer to "SYMPTOM TROUBLESHOOTING - ENGINE
".