http://en.allexperts.com/q/Hyundai-Repair-815/change-spark-plugs-XG300-1.htm
Look at the instructions for replacing spark plugs and the portion that deals with the rear / right spark plugs will lead you to the EGR valve. It's not difficult if you follow directions - just be careful not to lose the gasket.Good luck,
how do i reset the computer on my hyundai xg300
1.2.3.4.5.6
get a mechanic to do it
The heater blower in a 2001 Hyundai XG300 is located on the passenger side of the engine. The blower resistor will be located on the firewall.
my hyuandai xg300 over heats only while i drive it why?
You've seen this, right? http://mlittle.com/Hyundai/remote/
in the fuel tank
It could be that your ignition wires are getting wet and grounding out. You might want to replace the spark plug wires and coil wire.
When the radio in a Hyundai XG300 becomes all static, it is possible that the antenna is damaged. It could also be possible that the antenna is loose on the back of the radio.
Inside the hood and in front of the car.