I had a new EGR fitted under warranty 7-8 months ago as the old one was shafted and immediately blanked it off with the intention of getting the car remapped. I've still not got it remapped and with recent engine troubles possibly being masked by the EML light always being on, I'm thinking of removing it till I can afford to do a remap. How long will an EGR last in the wild before it needs replacing again or is this a "how long's a piece of string" kind of question?