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P0418 Diagnostic Trouble Code Discussion for January 2012

Secondary AIR System Pump Relay Control Circuit Malfunction (Bank 1)

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Trouble Ticket Help Requests for DTC P0418
Help Request Posted
2001 Chevrolet S10 4.3L MIL Lamp on VIN: 1GCDT19W11
P0418: Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1). ... code p0418.circut a relay on secondary air pump.ok we had volts at the fuse ign e , but no volts to the relay,85 pink.so we fixed broke wire in harnes, we ran another wire,so key on or running, we have volts now to relay. 30 red is hot all the time ,87 red...
January 26, 2012