Took my egr valve off the other day after reading up on it on here, got to say it done what every1 was sayin i'm now gettin better fuel economy and a tad more power so well worth doin if you've got the time and knowledge to do the job took me about 30 min's and that's makin my own blankin plate my disco's a 94 plate and gettin on a bit now so need's all the help it can get lol..