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Home >> Mazda >> 1987 >> B2200 Base, 2D Pickup >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L Feedback Carburetor System >> Component Testing >> System Components >> Mixture Control Valve

Mixture Control Valve

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Start engine. Plug intake port of mixture control valve and ensure engine speed does not decrease. Increase engine speed and quickly decelerate. Ensure air is pulled into intake port for 1-2 seconds after accelerator is released.