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Home >> Mercury >> 2003 >> Grand Marquis LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Idle Speed & Ignition Timing >> Idle Mixture Adjustment
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Idle Mixture Adjustment

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

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