hello- i am new here. i love my asrta estates- have had 3 now, over 15 years, but am having a problem with this one which needs solving; please could someone tell me the best way to solve an egr problem; i have heard if it causes problems to to block it off, and alternatively to drill a hole in it. what can i expect if i do either of these? which is the best way to deal with the problem? are there any drawbacks to doing either of these things? and which is the best way to solve the problem- it has been cleaned and makes no differance to the cars performance, we are still having gaps in power - fuel starvation???- or is it possible that the problem could be in the exhaust where the burnt fuel is recycled from? thanks for any info.