Where is the gmc chevy secondary air injection pump located on a 2004 trailblaze

  1. profile image45
    Somogyiposted 7 years ago

    Where is the gmc chevy secondary air injection pump located on a 2004 trailblazer with a 6 cylinder

  2. Emissionguy profile image83
    Emissionguyposted 7 years ago

    Under the truck on the frame by the drivers door.

 
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