Check engine light on 2002 saturn ls?

If the check engine light is on in a 2002 Saturn LS, it indicates that the vehicle's onboard diagnostic system has detected an issue. Common causes can include problems with the engine, transmission, emissions system, or even a loose gas cap. It's advisable to use an OBD-II scanner to read the trouble codes, which can help pinpoint the issue. Addressing the underlying problem promptly can prevent further damage and ensure optimal vehicle performance.