Plug in a computer diagnostic scanner. The light is on to tell you that you have a problem and the computer has stored a "fault" code.
When the check engine light comes on, it's a good indication that something is wrong with your engine.
Check the engine oil, sometimes when the oil is low the check engine light comes on while sitting still and goes out when you accelarate.
why do check engine light comes on
there are many components that will display the check engine light if they are faulty. Go to a local mechanic and have them scan the computer. They will display the component that is faulty.
Check the fluid level in the master cylinder.
No, the check engine light comes on when the computer detects a malfunction and sets a code.No, the check engine light comes on when the computer detects a malfunction and sets a code.
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.
Maybe, the check engine light comes on when the computer detects a malfunction and sets a code.Maybe, the check engine light comes on when the computer detects a malfunction and sets a code.
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 check engine light comes on when the computer detects a malfunction and sets a code.The check engine light comes on when the computer detects a malfunction and sets a code.
A low battery can cause the electrical system to flash check engine lights
I had all sensors replaced in my 03 Trailblazer and the check engine light stiil comes on. Why?