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

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.