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Home >> Mercury >> 2003 >> Grand Marquis LS >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications >> Fuel Systems >> Idle Speed & Mixture
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Idle Speed & Mixture

NOTE: Idle mixture is not adjustable. If idle mixture is incorrect, see TEST H: FUEL CONTROL in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.
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