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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - DTC P0366 To DTC P2444 >> DTC P0412 or P0418 >> DTC Descriptors
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DTC Descriptors

DTC P0412

Secondary Air Injection (AIR) Solenoid Control Circuit

DTC P0418

Secondary Air Injection (AIR) Pump Control Circuit

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