what would make my car misfire intermitenly while driving and also when ideling on 2005 Chrysler 300

has had new spark plugs and wires and a egr valve replaced

by in Charlotte, MI on July 23, 2012
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers
ANSWER by , July 23, 2012
Was the misfire diagnosed before the parts changed ? If so , what cyl(s) had misfire codes? Why was the EGR valve replaced?
ANSWER by , July 24, 2012
seek a diag and have codes read and do not drive this could cause eng damage