Test Oxygen Sensor Connector(s)
Exhaust System
A test of the electrical connectors for oxygen sensors, which measure unburned oxygen in the exhaust to help control fuel mixture. A bad connector causes false readings, poor fuel economy, and may trigger a check engine light.
Estimated Cost
$50–$140🔒
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.