240 L4-2320cc 2.3L SOHC B23F FI (1983)
Air/Fuel Mixture: Testing and Inspection
General:
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It is important that the other engine settings are correctly adjusted (e.g., timing) if valid results are to be obtained.
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The engine should be warm and idling.
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Warm-up the engine at 25 r/s (1500 rpm).
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Check / adjust the CO-content approx. 5 minutes after the radiator thermostat has opened (no earlier that 5 minutes).
Exhaust gas extraction:
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Use an exhaust gas extractor that fits loosely over the exhaust pipe.
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Excessive extraction may yield incorrect results when checking / adjusting CO-content.
