on September 21, 2010, 6:26 am, in reply to "Re: Renault espace egr fault what is the possible cause "
The valve you refer to (it looks like a throttle butterfly)is there to aid the flow of EGR into the engine (don't forget that there is no depression in a diesel inlet manifold) and not to throttle the engine as in a petrol engine.HTH
Regards Mark
Modern cars, Its all wizardry and witchcraft