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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 759 (Engine Mechanical (Service Information)) >> Engine Tune-Up >> Idle Mixture Inspection

Idle Mixture Inspection

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the idle speed and ignition timing are within the specification. (See IDLE SPEED INSPECTION .) (See IGNITION TIMING INSPECTION .)
  2. Insert an exhaust gas analyzer to the tailpipe.
  3. Verify that the CO and HC concentrations are within the regulation.
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