Car code are P0300 P0301 P0302 P0316 Also have A in the elbow on the bottom of the EGR valve. I replaced the EGR valve and within one day I had another hole in the same location of the new valve..
what do you mean by hole in the new valve? If there is a problem with the EGR that would cause the issue.
are you using a factory EGR?
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