Test Secondary Air Injection Relay
Emissions System
Verification that the relay powering the secondary air injection pump (which forces air into the exhaust to reduce harmful emissions) is switching on and off correctly. A failed relay disables the system, causing emissions to exceed legal limits.
Estimated Cost
$60–$150🔒
Parts + labor, based on the parts this service typically requires. Not specific to your vehicle or region — this spans all vehicles, all regions, and all part grades, so treat it as a rough ballpark rather than a quote.