Yeah, a blocked exhaust can cause problems. Take the exhaust loose from engine, see if it refs any better. It may scare the neighbors, but it don't take long.
How long since a tune-up? Any applicable mil codes? Change the filters if it hasn't been done already. As far as the fuel filter, make sure there is no pressure on the system before taking any lines loose.
Monday, February 7th, 2011 AT 7:20 PM