Air/Fuel Mixture: Testing and Inspection

Idle Mixture Inspection
1. Verify that idle speed and ignition timing are within the specification. (See Idle Speed Inspection.) Testing and Inspection (See Ignition Timing Inspection.) Testing and Inspection
2. Insert an exhaust gas analyzer into the tailpipe.
3. Verify that the CO and HC concentration are within the regulation.
^ If there is malfunction, refer to "ENGINE SYMPTOM TROUBLESHOOTING". (See SYMPTOM DIAGNOSTIC INDEX in Engine.)