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Idle Mixture Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform "Engine Tune-up Preparation". (See ENGINE TUNE-UP PREPARATION .)
  2. Verify that the idle speed and ignition timing are within the specification. (See IGNITION TIMING INSPECTION .) (See IDLE SPEED INSPECTION .)
  3. Insert an exhaust gas analyzer into the tailpipe.
  4. Verify that the CO and HC concentrations are within regulation.

    CO concentration 

    Within the regulation 

    HC concentration 

    Within the regulation 

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