You have it checked for codes and diagnose the cause of the code.
How do you reset check engine light for the 2009 Chevy trail blazer?
Take it to repair.
The process of elimination works. If you have a check engine light, start there.
If the check engine light is flashing off and on when the engine is running that means an engine cylinder(s) misfire has been detected . You need to have the vehicle scanned for any trouble codes to help diagnose and then repair the problem
After the Explorer is scanned for trouble codes to diagnose and then repair the malfunction , then the check engine light can be reset
Pretty simple connect an obd2 scanner and it will pull the error codes for the check engine light then look up the error code and diagnose and fix your problem
You can either bring it in to a Chevy dealer or use a programmer/tuner to reset the check engine light.
If the check engine light is blinking that means an engine cylinder misfire has been detected
There are pages and pages of things that will turn the check engine light on. You need to have it checked for codes, and can diagnose from there.
That is the check engine light. It means that the engine computer has detected a malfunction. You need to have it checked for codes. You can then diagnose.
Check
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.