the only way to find out what caused the engine light to come on is to hook up a scanner and pull the code most auto part stores will do this free of charge.
Your O2 sensor is a "part that is designed to wear out". there is no standard on replacing them, but if your car is running fine, and your check engine light comes on, and stays on, it's probably an O2 sensor.
If an Explorer engine oil change soon light stays on, the sensor needs replaced. The sensor may also need reset by holding the button down for five seconds.
changed battery engine light stays on
The check engine light comes on to indicate a possible problem with one of the engine's emission control systems. Take it in for service, and have the vehicle scanned for any trouble codes to locate the problem - usually a sensor.
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions.
The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.
The check engine light stays on when the engine computer has detected a malfunction and set a trouble code.
There is a problem with the emissions system.
The check engine light comes on at start up for a bulb check. If it stays on with the engine running the computer has detected a malfunction. You need to have it checked for codes.
If your engine is running , and the battery light comes on , that indicates that your battery is not being charged
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions.The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions.
The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.Generally, a check engine light is lit when there is a problem in the emissions or something that is affecting the effectiveness of the emissions.The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.Generally, a check engine light is lit when there is a problem in the emissions or something that is affecting the effectiveness of the emissions.