Famous Car Sensor Problems Check Engine Light 2023. Keep in mind that the fault code that caused the light to turn on in the first place is stored in your car’s. Web a check engine light is triggered when your vehicle's onboard computer or ecu detects an error coming from one of the multiple sensors on your car, truck, or suv.
Web some check engine light problems are simple, such as a leaking or loose gas cap. Misfiring engine when an engine misfires, one or more of the cylinders doesn’t produce the power it should. Check later to ensure the engine light stays off.
