To check engine light codes one would have to bring your vehicle to a mechanic who can use a computer to check the computer chip that regulates this function.
The O2 sensor is one of many things that can turn on the check engine light. You need to have it checked for codes.
You can buy the check engine computer and the book comes with it. I know, I bought one. When your check engine light comes on, you plug it in and check the engine and it will give you the code and you look in the book for that code and it gives you the answer.
The flashing check engine light means there is one or more cylinder misfires occuring.Have the codes pulled from the computer to determine which cylinder(s) are misfiring.
To reset the check engine light on a 2001 Dodge Caravan, you can disconnect the negative battery terminal for about 15 minutes. This will clear the engine codes and reset the light. Alternatively, you can use an OBD-II scanner to clear the codes directly if you have access to one. However, if the underlying issue is not resolved, the light will likely come back on.
To reset the check engine light on a 1996 Geo Prizm, you can disconnect the negative battery terminal for about 15 minutes. This will clear the engine codes and reset the light. Alternatively, you can use an OBD-I scanner to clear the codes if you have one. Just ensure any underlying issues are resolved to prevent the light from coming back on.
To reset the check engine light on a 1991 Nissan pickup, you can disconnect the negative terminal of the battery for about 10-15 minutes, which will clear the engine codes. After reconnecting, the check engine light should go off. Alternatively, you can also use an OBD-I scanner to clear the codes, if you have access to one. Make sure to address any underlying issues that triggered the light before resetting.
Excess fuel could be one reason. The check engine light should be illuminated. Check the codes and re-post results.
disconnect the battery for one minite will clear all codes. gmjim
To reset the check engine light on a 2005 Honda CR-V, you can disconnect the negative battery terminal for about 10-15 minutes. This will clear the engine codes and reset the light. Alternatively, you can use an OBD-II scanner to erase the codes directly if you have access to one. However, it's important to address any underlying issues that triggered the check engine light before resetting it.
To reset the check engine light on a 1998 Mercury Marquis, you can disconnect the negative battery terminal for about 15 minutes. This will clear the engine codes stored in the computer. Alternatively, you can use an OBD-II scanner to erase the codes if you have access to one. However, if the underlying issue causing the light to illuminate is not resolved, the light may come back 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 lights came on because one or more computers have detected problems and set codes. You need to have the system checked for codes.