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P0418 Diagnostic Trouble Code Discussion for April 2007

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

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Trouble Ticket Help Requests for DTC P0418
Help Request Posted
2000 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KEE57Y1
P0418: Secondary AIR Pump Relay 1 Control Circuit (California Emissions). How do you Caddy guy,s live with these cars. Help!!! Since replacing both crank sensors it set two new codes po 412 418 air injection system, I don't think it has one, the fuses were missing and I can't find a pump. Puting in fuses made no differance. We did r...
April 12, 2007