Test Vacuum Control Valve(s)
Engine
A check of the vacuum control valve, which manages the flow of engine vacuum to various emission control and engine systems. A faulty valve can cause vacuum leaks, rough idle, stalling, or emission control system failure.
Estimated Cost
$70–$200🔒
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.