thanks guys,to answer your questions the car has 97000 miles,I did have a check engine light codes indicated 1,2,3 cyl misfire but cleaning the egr valve took care of that, now the a/t temp light flashes 16 times when i start the car. have been reading thru all posts on this sight as well as talking to subaru rep. believe have narrowed down to mass air flow sens. again thanks to everyone on this site. as isaid i am new to the joy that is SUBARU so i will stay with this sight to see if i can help the way you guys helped me.