You should go to AutoZone because they have the magic machine that tells you what's wrong. But I would tow it there because it sounds like your car is about to explode.
The 2007 Toyota Matrix has an inline 4 engine.
The 2003 Toyota Matrix has an inline 4 engine.
The 2011 Toyota Matrix has an inline 4 engine.
The 2010 Toyota Matrix has an inline 4 engine.
The 2013 Toyota Matrix has an inline 4 engine.
The 2004 Toyota Matrix has an inline 4 engine.
The 2012 Toyota Matrix has an inline 4 engine.
The 2009 Toyota Matrix has an inline 4 engine.
The 2008 Toyota Matrix has an inline 4 engine.
The 2005 Toyota Matrix has an inline 4 engine.
The 2006 Toyota Matrix has an inline 4 engine.
The Toyota matrix uses a timing chain.