Test Choke Thermostat
Fuel System
A check of the choke thermostat, the temperature-sensitive component that automatically reduces the fuel-rich cold-start mixture as the engine warms on older fuel systems. A failed thermostat causes rough running and poor fuel economy during warm-up.
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.