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Home >> Mazda >> 1998 >> B2500 SX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Miscellaneous Controls >> DECHOKE Control System (B2500) >> System Operation
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System Operation

When spark plugs become fouled (i.e. engine is flooded), fuel injection is cut if throttle valve is held wide open during cranking to facilitate in starting engine. This allows spark plugs to dry and purges excess fuel from cylinders.