Search results
-
I
Annoying 340 344 codes and misfire
Been getting on340 and po344 can sensor codes since I got my 2006 expedition but never have found a cause. Found a post on here that a bad alternator could be the cause? Also once in awhile it will misfire at highway speed but not ever throw a misfire code, you can feel the vehicle jerk. Just...- Impala60
- Thread
- Replies: 7
- Forum: 2nd Gen - 2003 - 2006
