Test Glow Plug Relay
Engine
A check of the glow plug relay, an electrical switch that delivers power to the glow plugs in a diesel engine during cold starts. A faulty relay stops glow plugs from operating, preventing the engine from starting in cold conditions.
Estimated Cost
$50–$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.