My husband has a 1991 F 150 we just put a new fuel pump on and spark plugs also have put a new ignition module 3 times now still doing same problem it will run-bout 20 minutes then quit after it sits 30 minutes or longer it will crank back up then run 20 more minutes then quit. please help I've took it to 3 mechanics problem not solved.
Mar 16, 2013 at 3:35 AM
