240 L4-2320cc 2.3L SOHC B23F FI (1983)
Connect / Check Lambda-Sond (oxygen sensor):
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When Lambda-sond is connected CO-content should decrease.
Check / adjust idle speed:
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Idle speed should be 12.5 r/s (750 rpm).
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Adjust if required.
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Switch off engine.
Seal CO-adjustment (if adjustment performed):
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Use a new plug. Tap in place.
Remove test meter:
WARNING: Connecting nipple for CO-meter is very hot.
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Reinstall plug.
