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Home >> Dodge and Ram >> 1990 >> Omni Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Auto Shutdown (ASD) Relay >> 3.3L
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Auto Shutdown (ASD) Relay: 3.3L

When there is no cam or crankshaft sensor signal with ignition switch in RUN position, ASD relay turns power off to electric fuel pump, fuel injectors, ignition coil and O2 sensor heating element.