Spark plug ejection from cylinder head
ENGINE
7 NHTSA complaints · 2009-06 → 2020-12
“THE THIRD FROM THE FRONT ON THE PASSENGER SIDE SPARK PLUG BLEW OUT AND A HELI COIL WAS REPLACED AND AFTER UNDER 500 MILES IT BLEW OUT AGAIN NOW THEY ARE REPLACING A SECOND HELI COIL AND I AM WORRIED ON IF IT WILL HOLD AND HOW DEPENDABLE IT WILL BE”
“TL*THE CONTACT OWNS A 2004 FORD F250 SUPERDUTY. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 60 MPH, THE ENGINE EJECTED SPARK PLUGS. THE VEHICLE WAS TAKEN TO A LICENSED MECHANIC AND REPAIRED BY ADDING AN INSERT INTO THE ENGINE HEAD”
“I HAVE A 2004 F 250 SUPER DUTY. I EXPERIENCED A BLOW OUT OF THE SPARK PLUG ON TWO OCCASIONS. THE FIRST I WAS ABLE TO PUT THE PLUG BACK IN AND RE-THREAD THE PLUG. IT JUST RECENTLY BLEW OUT THE SECOND TIME WHICH WILL RESULT IN A GREATER REPAIR”