Millenia V6-2255cc 2.3L DOHC (1995)
7. Disconnect a jumper wire.
Idle Mixture
1. Perform Preparation.
2. Verify that the idle speed and ignition timing are within specification.
3. Insert an exhaust gas analyzer to the tailpipe.
4. Verify that the CO and HC concentrations are within regulation.
5. If not, inspect following.
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On-board diagnosis system
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Heated oxygen sensor
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Intake-air system
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Fuel system
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ESA system
6. If the systems are normal, replace the three way catalytic converter and/or warm up three way catalytic converter.