1) What attaches to the upright metal piece thats bolted to the left rear corner of the lower plenum? (see pic) Looks like an electrical connector slips onto it-- EGR connector? Knock sensor connector? Something else?
2) Is it normal to have two washers per mounting bolt/ nut on the lower plenum? This is what I found when I disassembled it, but is that necessary/ usual?
Thanks in advance!
Follow Ups
2 Questions about lower plenum: - ZXoltan01:23:48 02/11/13