Removed EGR valve, is the bottom supposed to be movable?
'97 sentra. Ok, I've read in a lot of posts that at idle you should be able to work the throttle and stick your finger under the EGR valve and feel a 'diaphragm' open and close. Well I felt nothing, (CEL light on) so I removed the valve. Rotted hoses, clogged holes, lots of carbon. I cleaned it up and am replacing the hoses, but there is no movable part on the bottom of the EGR valve. It is just round, rusty, and steel. There is nothing that opens and closes. There is a circle on the bottom of the EGR that looks like it could possible flip open/closed, but it does not move at all. Were they talking about a different type of EGR valve, or is there something wrong with mine? Thanks, and I hope I explained this well, it's kind of difficult to describe.
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