2010 Subaru Legacy Q&A

2010 Subaru Legacy Question: I hear a rattling noise when i put my foot on the gas

the dealer just changed the oil about a month ago -
Answer 1
First of all make sure the oil level is good :) Then inspect the exhaust heatshield to make sure none of it came loose. -
Answer 2
DO YOU HAVE ANY CODES LIKE KNOCK SENSOR? -