Scion FR-S engine light on, requires engine work on Scion FR-S

Some Scion FR-S owners report experiencing issues indicated by the check engine light, which may signal underlying problems requiring engine work. Common concerns include faulty emissions system components, sensors, or catalytic converters, as well as potential issues with the engine control unit (ECU). Additionally, some owners encounter ignition cylinder problems that lead to irregular engine performance, and issues with the exhaust gas oxygen sensor that can cause misfires during acceleration or at low revs. It is crucial for owners to address these problems promptly to prevent further damage and ensure optimal vehicle performance. Diagnosing the specific issue is recommended to implement effective resolutions.