howiefisher New Member Jun 8, 2007 154 1 0 Ont Canada Oct 16, 2007 #1 Oct 16, 2007 #1 scaned my car and is kind of bucking at high rpm code is 327 and 553 could a bad egr valve cause rough running at high rpm ..light comes on at idle and at crusing speeds
scaned my car and is kind of bucking at high rpm code is 327 and 553 could a bad egr valve cause rough running at high rpm ..light comes on at idle and at crusing speeds