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Is your "Check Engine Light " on. Replacing EGR valve is maybe 2 bolts & 2 hoses, very simple.I replaced egr valve & still had same CEL code. I then did some searching & discovered the problem with the dpfe sensor. It could be the DPFE sensor, it tells the computer that the egr valve is reading correct. They are very well known to go bad 1st. It's a small rectangle box at front of intake with 2 hoses( 1 comming from egr valve) & an electrical connection. It runs about $60 at dealer. Good Luck!!
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