4 months ago spark plug #3 unexpectedly "left the engine" destroyed the coil-on-plug and stripped the cyl. Head. ~2500 miles later #6 plug and coil....same thing.
2001 Ford F Series engine complaints
Page 2 of 2: complaints 11 to 17 of 17, newest first, as owners wrote them.
I exited on I-75 onto sr 200, traveled 100 feet approximately 20 MPH, heard popping sound like baseball card in spokes of a bicycle wheel. Happened saturday night while bringing my son home from college. Cost $75 to tow home to unload the 2001 f150 5.4 liter v-8. $75 to tow to ford of ocala, belleview, who diagnosed blown #3 plug, charged $98, then $75 tow to ford of ocala in ocala told $4000 to replace head or $6000 to replace engine. This was a common occurrence with this faulty head and plug design. Ford should be made to fix this problem since replacing either the head or engine with the same faulty ford product was not an option to me. Estimated charges were outrageous even for a physician to pay. Please see www.f150online.com forum for additional disgruntled f-150 owners whom have had same problem. This was a fraud alert.
Spark plug # 7 blew out of the ford f-150 truck with a v8 motor. The plug and coil stuck the fuel rail above this area , and took a chunk of the fuel rail out, almost crating a leak , vehicle could catch on fire. Over 100,000 reports on the exact same spark plug along with # 3 plug doing the same thing with the fuel rail also. Usually the other plug blew a few months after the first one blew out of the engine. Repairs were to pull the header ,and drill hole in header to install a coil to replace threads torn on the head, and install a new plug due to blow out and coil.
On october 27, 2006 I was driving my 2001 ford f-150 pickup down the highway at about 45 miles per hour. All of a sudden we heard a loud noise and pulled over. Upon inspection my husband noticed that the number 3 spark plug and coil pack had been ejected from the cylinder head. He also noticed that it had caused a sizeable dent in the fuel injector rail. The rail/fuel line which provides fuel under pressure to the injectors is made of steel. The coil pack although the mounting point was broken off remained plugged in and functioning. The spark plug also remained in tact and appeared undamaged. The spark plug still resting in the spark plug boot managed to find a ground very near if not on the dented fuel rail. This was evident by the fact that it continued sparking as the motor sat and idled as we tried to determine the source of the problem. If there had been any sort of fuel leak or had it ran longer sparking against the fuel rail, I suspect a fire could have resulted. A rather serious fire considering the fuel in the rail is under pressure. Admittedly this may be a very unlikely set of circumstances. However in checking on the internet the spark plug ejection seem to be common and the dented fuel rail not uncommon. The coil pack continuing to fire seems likely as the connection to the wiring harness seems quite secure. It also seems that the steel fuel rail is a very convenient ground. Not only did this happen once no it happened again on january 19, 2007. Ford refuses to recognize a problem with the cylinder head and charges $3000 to replace the head and all of it internal components every time it happens. Ford blames this problem on the spark plug I can assure you the spark plug was completely in tact and sparking not in the combustion chamber mind you but against a steel fuel line. Ford recommends that you change the spark plugs at 100,000 miles my truck was only at 80,000.
2001 ford expedition eddie bauer, at about 30 MPH, 3rd spark plug blew out stripping threads and ruining coil. We replaced the coil, but dealer will not rethread, the dealer says that if they were to rethread it would not hold and would probably blow again possibly doing more damage to motor. They said they will only replace the head which is 2000.00. When it blew I was on my way to the airport to pick up family with my newborn and four year old. I was stranded on the highway for an hour and a half in 98 degree heat. My family was stranded at the airport for two hours, not to mention the tow bill. I called ford, they acknowledge a problem, but take no responsibility. They said it was because of poor maintenance. But my vehicle has been 100 percent properly maintained.
Spark plug blew out of the head on the engine.
Check engine light came on at 49000 diag reports erg/back flow/solenoid. Replaced all and reset computer. Next day light returned, diag reports erg/backflow/solenoid failure. Telephone to ford states, several have this problem, excessive buildup of carbon in exhaust manifold. Extended warranty covers repair (design flaw).
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