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Home >> Saturn >> 2001 >> SC1 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0418: Secondary Air Injection System Relay Circuit >> Code Enable Criteria
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Code Enable Criteria

DTC sets when air pump relay voltage is less than 1.25 volts for greater than 0.5 second when air pump relay is commanded off.

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