Spark plug ejection from cylinder head
ENGINE
2 NHTSA complaints · 2013-03 → 2016-12
“I WAS CRUSHING AT 55 MPH AND I HEARD A LOUD POP THAT WAS FOLLOWED BY A CONTINUOUS POPPING OBVIOUSLY FROM LOST COMPRESSION. I TOOK TO A LOCAL FORD DEALER AND THEY STATED THAT THIS IS A COMMON PROBLEM FOR THIS TYPE OF MOTOR TO "BLOW SPARK PLUG". THIS HAPPENED WITHOUT WARNING AND”
“DRIVING AT 35MPH, VEHICLE STARTED MAKING A BACKFIRING SOUND AND LOSING POWER. PULLED VEHICLE INTO A PARKING LOT AND HAD TOWED TO FORD DEALER. FORD SERVICE ADVISER SAID #3 SPARK PLUG BLEW OUT OF ENGINE. HE HAD SERVICE TECHNICIAN PULL OTHER PLUGS AND CHECKED GAP ON PLUGS TO FIND”