They turned the engine off and inspected the engine. Heavy breaking was utilized once I was in safe place to pull off the road and turn off the engine. I brought it back to neutral and then the sound subsided. People could get hurt if it started a fire under a hood. The truck has 42,000 miles on it. After looking at the problem they sent me to a Ford dealer.
Distance traveled with uncontrollable acceleration was approximately 2. There is a potential that this could cause an engine fire! The insurance investigator was unable to determine where the fire originated or locate any defective parts that may have caused the failure. The vehicle's engine was normal. Ford was notified and refused to take responsibility for the fire. The coil pack was still putting out spark, but not to the plug, as the boot that held it on the plug was gone, it was just sparking against the sides of the recess in the head. I am in the navy and was driving into work for duty when my spark plug was ejected from my engine. Upon doing research online, this appears to have happened to hundreds of people once their Ford hits 100,000 miles.
The affected aluminum cylinder needs to be replaced. Spark plug blew out of the engine as my wife parked the vehicle in our driveway; 1st of 2 occurrences; repaired with helicoiled plug. I went to the Ford dealer in my area and had it repaired asking if there was a recall or reported problems with this and they said no. We got it limped back to the shop, and had to let it cool down overnight, so the mechanic could investigate the problem. The spark plug issue has just bitten me, now I have a 10,000 dollar peice of steel in my driveway because I am not paying 5400 and some change to fix a problem that should be recalled, the plug gettting hit by the piston or shooting out of the hole can be very dangerous by allowing fuel to come in contact with hot engine or electrical spark therefore starting a fire, this problem has been an ongoing issue and yet nothing is done I think a recall should be placed for the issue. Speed 25 to 35 mph.
I cant believe that Ford hasn't had a recall on this problem. The contact stated that a spark plug failed, causing gasoline to blow into the engine. There was a huge bang from the engine, and the gas vapors flooded the cab. Four time now and each time I have to pay to get it fixed. The design problem stems from a minimum amount of threads to hold the spark plug in place. They replaced the coil pack, and we drove down the road to test drive the truck, within 2 miles the popping noise returned, but even louder this time.
The vehicle had been driven approximately 10 hours earlier. I have had the truck serviced regularly and have had no major issues until today. I then moved the gear out of drive and in my haste saw I had it between reverse and park. The explosion was so great that it broke the coil pack in three pieces and when I pulled over in investigate the noise I turned on the engine with the hood open to see the spark coil across the port where the plug had been and it was sparking it's a wonder that it didn't catch the vapors on fire fron the cylinder the plug also severed one of the vaccuume hoses in the engine compartment. Fire dept and insurance report. I contacted the Ford dealership in town and the mechaninc told me that was normal for trucks over 100K miles, and that they would 'start popping out like popcorn'. The entire acceleration incident lasted less than 10 seconds.
Cruise control was not on. It is in for repairs due to engine concerns. Entered traffic lane and began lightly braking for approaching signal. The failure mileage was 76,000. The internet is filled complaints made by Ford consumers that have experienced this same type of problems on Ford engines.
Apparently the plug had come loose in the short threaded aluminum head, then the coil pack melted around the plug sealing it in place, and the engine burnt a hole the size of a pencil right through the aluminum head next to the spark plug hole. Each time a different plug. I started to research online and found hundreds of reports about the Ford F150's doing this exact same thing and the majority of the problems seem to come from the 3 plug. They re-secured the cover with a different type of safety connector, and then re-started the vehicle. .
I contacted Ford at their customer service department in dearborn, mi and they refuse to pay for the costs of this known issue. I researched on line and found out this is a known problem. I'm now told that a bulletin was issued advising not to use this repair method. The spark plug 7 was replaced with the heli coil and the ignition coil damage was also replaced. The engine compartment was damaged, however, the most extensive damage was on the driver side of the vehicle.
The Ford dealer representative indicated he had seen this before on a mustang, but not of F-150. I am sure others feel the same way. Having trouble verifying if that is fact or fiction. I problem I have had is the sparkplug blow out of my vehicles cylinders it has happened on 3 separate occasions. The break was effective at mitigating increasing speed until the vehicle could be stopped safely on the side of hwy 85S. Normal operation, no indication of problem 2.
The current and failure mileages were 12,000. Luckily I was able to navigate to the side of the road and my family was not injured. The original manufacturers spark plug shot out of the engine. Ford made a mistake, we all do, now fix it. The contact stated that the vehicle caught fire while parked in his garage.