Most of the time when it comes on and off its something with the air mixture or the exhaust gas. Could mean the O2 sensor is bad or you need a tune up. Possibly the air filter is just dirty. Most other issues cause the light to come on and stay on until you restart the car.
why do check engine light comes on
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 engine may be low on oil, when you make a turn the oil pickup tube sucks air and the oil pressure drops. Check the gauges when the light comes on, one of them is out of range.
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.
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.
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.
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?
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.
If you washed the motor our presher wased it you got water where it should not be
It is safe to drive you car for at least one mile after the check engine light comes on.