1. Locate the engine light. The engine light is typically located on the instrument panel, near the speedometer and tachometer. It is usually a yellow or orange light with the image of an engine.
2. Turn on the ignition. Turn the key in the ignition to the "On" position, but do not start the engine.
3. Press and hold the "Check Engine" button. The "Check Engine" button is usually located near the instrument panel. Press and hold the button for about 5 seconds.
4. Read the error codes. The error codes will be displayed on the instrument panel. The error codes are typically five digits long and start with the letter "P".
5. Look up the error codes. You can look up the error codes on the internet or in a Volvo repair manual. The error codes will tell you what is causing the engine light to come on.
Here are some common error codes for Volvo V70XC AWD 2000:
* P0130: Oxygen sensor circuit malfunction
* P0171: System too lean (bank 1)
* P0172: System too rich (bank 1)
* P0300: Random/multiple cylinder misfire
* P0420: Catalyst system efficiency below threshold (bank 1)
If you see any of these error codes, you should take your car to a mechanic for diagnosis and repair.
