I just worked out a way to block the EGR gasses from entering the intake manifold. On the right hand side of the intake manifold underneath there is a metal pipe that comes from the egr cooler to the manifold.I took the whole thing off and made sure it from the egr. Yeah,it was full of soot and oil,so I was right.I made a blanking plate from tin-plate and put it on the right hand flange that goes to the egr.The two bolts are easy to get in but,the two that go to the manifold were not.The front one was ok,but the rear one took an hour to wrangle in! Really awkward.You don't have to take them out like I did just loosen the right hand ones and slide in a blanking plate with slotted holes.Tighten them up and you're good to go.I've only driven a few klms so far,but the engine is more responsive and seems to go better. No check engine light so it works ok and no more crap going into the engine! Happy days. See pic of egr pipe under the intake manifold. My car is a 2010 Hyundai Santa Fe Elite 2.2R diesel.
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