on September 18, 2010, 9:16 pm, in reply to "Re: Renault espace egr fault what is the possible cause "
1) what does EGR stand for?
2) what does the system do?
3) What is it hoping to achieve?
4) How does it achieve it?
5) Under what conditions does it operate?
6) What would be the result of it malfunctioning?
7) Why?
There are more questions, but if you can answer the above you will have a good grasp on your own question. HTH
Regards mark
Modern cars, Its all wizardry and witchcraft