check the owners manual or the easiest way is to go to your local autozone and use their scanner tool to reset the light
That REQUIRES an ENGINE SCANNER to do that.
Yes but, if the light is flashing no.
Every sensor on the engine and transmission can cause the light to come on.
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.
It could be bad with out turning the light on.
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.
See link below.
The check engine light comes on to notify the driver that there is an issue. To reset the light, it is best to take care of the issue, or use a scanner that will clear any possible codes.
If your check engine light is on - get the engine checked by a qualified mechanic - don't try turning the light off - it is telling you there is a fault in your engine.
It is on because the ECU has detected a problem with the emissions system.
The EGR valve is located on the passenger side of the engine on a 2006 Silverado 2500 HD 6.6 turbo diesel. A bad valve will cause the check engine light to come on.
It might be that you did not tighten the gas cap enough.