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Home >> Oldsmobile >> 1991 >> Cutlass Supreme Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Specifications - 4-CYL >> Fuel System >> Idle Speed & Mixture
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Idle Speed & Mixture

NOTE: Idle mixture is controlled by the Electronic Control Module (ECM). Idle mixture adjustment is neither required nor possible on fuel-injected models.