Answer
2009
In many late model (2004 to 2008) Ford trucks with 5.4L V8 and 6.8L V10 engines, as well as 2005 to 2007 Mustang GT 4.6 & 5.4L V8 engines, as well as 2008 Mustang GT models built prior to November 30, 2007, the original equipment Motorcraft brand spark plugs that were factory installed can break when you attempt to remove them!
You may now find certain GM or Ford engines that are factory-equipped with Bosch spark plugs, Mazda engines that are factory-equipped with Motorcraft spark plugs, Chrysler engines that are factory-equipped with NGK or DENSO spark plugs, and so on. NGK spark plugs are used in the majority of late-model Saturn engines.
Spark plugs are breaking off one by one. When it comes to Ford 4.6 spark plug difficulties, the F-Series had a particularly difficult time throughout the years 2004 through 2008. Similarly, Ford 5.4 spark plug issues have been reported on a number of other models from these years.
Problems with the Ford v10’s spark plugs Model years 1999-2004 are covered by this TSB, which includes both the V8 and V10 engines. Ford replaced the heads on cars that were still under warranty.
Regular maintenance and care for your F150’s engine will ensure that it will endure for well over 200,000 miles, if properly maintained.
In the event that you can locate a newer F150 with less than 60,000 miles on it, you will be set for a very long time. If you are searching for a vehicle from an earlier generation, such as one produced between 1997 and 2003, low mileage vehicles will be more difficult to come by.
A “trained” technician can do an over-the-fender thread insert for anywhere from $500 to almost $1000 for the first insert, and maybe even less for the second and third inserts if other plug holes need inserts at the same time.
Generally speaking, spark plugs may be purchased for roughly $30, whereas visiting a mechanic can add between $100 and $200 to the labour expenses (assuming the technician charges $100 per hour for their services).
According to the information we’ve gathered, the typical automatic transmission lasts around 150,000 to 200,000 kilometres. Both your driving habits and how well you adhere to the manufacturer’s suggested maintenance methods are important variables in determining how long your gearbox will survive.
The 2004 Ford F-150 has the potential to go down in history as the worst truck to have emerge from that particular series. A significant factor in this is the fact that this model was equipped with one of the poorest engines in the history of the car industry, making it susceptible to a high number of failures.
It is estimated that the cost of replacing a Ford Expedition spark plug will range between $390 and $467. Labor expenses are expected to range between $263 and $332, while components are expected to cost between $127 and $135 per hour. Taxes and fees are not included in this estimate.
The 5.4 is a fantastic TRUCK engine with plenty of power. Although the early 5.4s had spark plug blowouts, I believe this was due to individuals not taking the time to correctly replace the plugs since they are a nuisance to change.
Because the original spark plugs may weld themselves to the cylinder head and shatter into pieces when someone attempts to remove them, leaving the bottom of the plug trapped within the cylinder head, the replacement spark plugs are preferred.
Breakdown of the Ford F-150’s Reliability Rating The Ford F-150 has a reliability rating of 3.5 out of 5.0, which places it 7th out of 17 full-size trucks in terms of dependability. While the severity of repairs is higher than the national average, these problems occur less often, resulting in significant repairs being uncommon for the F-150.
The typical cost of a Ford F-150 spark plug replacement is between $248 and $312, depending on the year and model. Labor expenditures are expected to be between $179 and $227, with component prices ranging between $69 and $85, respectively. Taxes and fees are not included in this estimate.
The 4.6-liter engine was undoubtedly a smooth performer, and it provided plenty power for a 4000-pound Lincoln. With 190 horsepower in its first year of production, the new 4.6 litre V8 produced forty more peak horsepower than the previous 5.0 litre V8. The fuel economy was the same as before, with an EPA rating of 15 for city driving and 22 for highway driving (as per current EPA methods).
It is often publicised by vehicle manufacturers that their vehicles are equipped with extended-life spark plugs that can maintain a perfect spacing for up to 100,000 miles. When replacing spark plugs, you should keep in mind that spark plugs that have reached the 80,000-mile mark are four times as worn as those that have not yet reached this milestone.
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