B15 Sentra (2000 - 2006)
Borrowed my buddy's 1.8 sentra while my Spec was grounded due to paperwork problems, and I noticed a funny smell. So I says, "Your exhaust is making a funny smell." and without hesitation I hear "Ihaven'tchangedmysparkplugssinceIboughtthecar." MYSTERY SOLVED
Commense the most strenuous and...