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Home >> Lexus >> 1996 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Idle Speed & Mixture >> Idle Mixture
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Idle Mixture

NOTE: Idle mixture is controlled by the ECM and is not adjustable. If vehicle fails emissions test, Heated Oxygen Sensor (HO2S) may be faulty, causing a trouble code to set. See SELF-DIAGNOSTICS article.
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