04 Lincoln ls 3.0 had trouble codes indicating miss fire on several cly. Have changed all cop pcv valve and sleeve o rings plenum gaskets and just about every thing but intake gaskets. Light went out for 30 miles. Came back on today with, po301 316 304 p 2195 2197. In the middle of this had a code about the cat. Conv. That never come back on. Im kinda lost, as to what to do next.
have the same problem?
Saturday, January 4th, 2014 AT 1:00 PM