ok my girl has a 97 eclipse rs....the car usually stalls for no reason...when ur parked..or even when u are doin like 80 goin down the interstate...we had the car checked they said it was the egr valve...so we had it blocked off...it still did it...now someone is saying it could be the fuel pump relay.....so i put a new relay in an again still stalls....has anyone had this problem and if so....wat did u do to fix the problem....an does anyone have any ideas wat else it could be????

thanks
David