* Low oil level: If the oil level in your car is low, it can cause the service engine soon light to come on. This is because low oil levels can damage your engine, so it's important to keep an eye on your oil level and add oil as needed.
* Faulty oxygen sensor: The oxygen sensor in your car measures the amount of oxygen in the exhaust gas. If the oxygen sensor is faulty, it can cause the service engine soon light to come on. This is because a faulty oxygen sensor can cause your car to run rich, which can damage your engine.
* Faulty spark plugs: The spark plugs in your car ignite the fuel in the engine. If the spark plugs are faulty, it can cause the service engine soon light to come on. This is because faulty spark plugs can cause misfires, which can damage your engine.
* Faulty catalytic converter: The catalytic converter in your car converts harmful pollutants in the exhaust gas into less harmful pollutants. If the catalytic converter is faulty, it can cause the service engine soon light to come on. This is because a faulty catalytic converter can cause your car to emit more pollutants than it should.
If the service engine soon light comes on in your 2002 Cadillac SLS, it's important to have it diagnosed and repaired as soon as possible. This is because the service engine soon light can indicate a serious problem that could damage your engine.
