Spark plug ejection from cylinder head
ENGINE AND ENGINE COOLING
27 NHTSA complaints · 2005-03 → 2015-09
“WHILE DRIVING ON A TWO-LANE COUNTRY ROAD AT APPROXIMATELY 40 MPH, A LOUD EXHAUST SOUND STARTED COMING FROM THE ENGINE. A VISUAL INSPECTION REVEALED THAT A SPARK PLUG HAD BEEN BLOWN COMPLETELY OUT OF THE ENGINE AND THE COIL AND WIRE HAD BEEN DAMAGED”
“2001 FORD EXCURSION: ACCELERATED AFTER TURNING A CORNER AND A SPARK PLUG BLEW OUT. HAD BEEN HIGHWAY DRIVING FOR 60 MILES PRIOR TO THE FAILURE. THE ENGINE STILL RAN BUT DID NOT RUN SMOOTHLY. THE THREADS WERE DAMAGED AND A NEW PLUG COULD NOT BE INSERTED”
“I HAVE HAD TWO SPARK PLUGS EJECT FROM THE CYLINDER HEAD ON MY FORD EXCURSION. THE FIRST PLUG EJECTED ABOUT THREE MONTHS AGO. ON THE 24TH OF FEBRUARY 2008 A SECOND SPARK PLUG EJECTED THE CYLINDER HEAD”