Inspect Distributor Thermal Vacuum Switch
Emissions System
We check the thermal vacuum switch on the distributor that adjusts emissions based on engine temperature. A failed switch causes rough running and emissions test failures.
Estimated Cost
$40–$110🔒
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.