Tuesday, January 12th, 2010 AT 10:43 AM
My vehicle runs poorly. It sometimes backfires and hard to start. But it will run. Done tuneup, changed map sesor, distributor, changed crank sensor and I get different answers everywhere I go. Can some one help me codes are present now. Po320-ignition/dist. Engine speed input ckt malfunction. And p1391-itermittent loss of cmp or ckp.