hey guys, I owned 2003 Wagon r and i am facing some issue since long time now. Whenever car is idle and when i press brake car rpm goes down by 200 to 300 and if i release the paddle wverything comes to normal. i have done everything to overcome this issue. I have checked brake booster from machanic and cleaned throttle body last month and i have checked all airhoses they seems to be in very good condition.please let me know if any one have solution to this issue. any help would be appreciated.