tried heat gun.... sonny on Jun 19, 2012, 7:41 AMmy crane Hi4 would quit on the rear cylinder at times*. horshak on Jun 19, 2012, 2:32 PMwhat was it?. sonny on Jun 19, 2012, 3:59 PMnaw it was the ignition module put a dyna.... horshak on Jun 21, 2012, 2:35 PM+1. bob t. on Jun 23, 2012, 9:51 AM