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Home >> Mazda >> 1990 >> 929 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Relays, Solenoids, Motors & Modules >> Fuel Injectors

Fuel Injectors

Using stethoscope, listen for normal clicking sound at each injector during idle and acceleration. If clicking sound is not heard, check injector wiring circuit or main relay and circuit.