It requires a scanner to properly diagnosis a check engine light.
Go to a repair shop and have them diagnosis the problem. If you live at 2000 feet or more the check engine light will come on due to the oxogen amount at higher altitudes.
With a scan tool.
How to read check engine codes on a 1999 chev 1500 suburban.
You need to go to a shop that has a scanner and they can retrieve the codes and diagnose the problem for you.
To reset the engine light on a Chevrolet Impala, you can try disconnecting 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 erase the trouble codes directly, which will also turn off the engine light. If the light comes back on after resetting, it’s important to diagnose and address the underlying issue.
Fix the problem and hook up a tech 2 to it and clear codes
The check engine light on a Chevrolet Colorado can be rest by connecting an OBD II code reader to the vehicle's computer . Each of the codes can then be reset which will turn the associated light off.
Have vehicle scanned to determine the problem and have codes cleared
A 2000 Chevrolet Impala may stop running and show no error codes if it has simply run out of gas. The vehicle's computer is capable of detecting errors with all systems in the vehicle which should otherwise present an error code.
I am sorry but you don't and you will need one to clear codes after the repair.
To reset the check engine light on a 2003 Chevy Impala, you can disconnect the negative battery terminal for about 10-15 minutes. This will clear the engine control module's memory. Alternatively, you can use an OBD-II scanner to read and clear the trouble codes, which will also turn off the check engine light. Keep in mind that if the underlying issue isn't resolved, the light may come back on.
You need to take it to a repair and have then scan the system for codes and diagnosis it. It could be as simple as dirt on a sensor.