Design News readers have commented about having to lift engines or make holes in the car body to change spark plugs. This article describes a particularly frustrating spark plug issue with the 2004-2008 Ford 4.6-liter, 5.4-liter, and 6.8-liter 3-valve “modular” engines.
Cars with the 5.4 Triton engine mostly affected by this problem are: Ford Mustang: 2005, 2006, 2007, 2008. Ford F-150: 2004, 2005, 2006, 2007, 2008. Ford Expedition: 2005, 2006, 2007, 2008. Click to explore further. Furthermore, what year did Ford 5.4 have spark plug problems?
What years did the 5.4 Triton have problems?
What Years Did The 5.4 Triton Have Problems? I did state that the 2004 to 2006 models of the engine had the most problems. If you take into account smaller issues, then all engines that were released during 2004 and 2013 were the ones that caused the most issues for users.
What was the last year that Ford has spark plug problems?
Notorious Ford V8 spark plugs need an extended warranty
But for millions of owners of V8-powered Fords from the 2004 to 2008 model years, a spark-plug change can lead to an expensive, hours-long ordeal.
What years did Ford F150 have spark plug problems?
Spark plugs breaking off
The plugs in 2004-2008 Ford F-150s were actually designed to not need a service until then. Unfortunately, as both Raybuck and Ford Problems describe, that 100k service interval came with an asterisk. And a major headache. First of all, that’s outside the truck’s basic warranty.
Which Triton engine has spark plug problems?
Ford Triton engines are spitting out spark plugs like sunflower seeds, but the suits in Detroit act like there isn’t any problem. They’re wrong. We believe this defect affects the following 2-valve engines: Triton 4.6L V8, 5.4L V8, 6.8L V10 & possibly others.
Why do 5.4 spark plugs break?
Trying to remove spark plugs from Ford’s 3-valve 4.6L, 5.4L and 6.8L 2004-2008 engines can cause part of the plug to break off and get stuck in the cylinder head. The long service interval is actually one of the reasons the plugs break apart.
What year 5.4 Triton is best?
2009-2010 Triton 5.4L
With 300 horsepower and 365 lb-ft of torque, the Triton 5.4L is one of the most reliable F150 engines. Minor problems were still present like crank angle sensor issues and the occasional spark plug broken off in the head, but few repairs were as expensive as the previous years.
How many miles will a 5.4 Triton last?
If properly maintained, the Ford 5.4 Triton engine will last between 150,000 and 300,000 miles. Getting to these mileage milestones will require you to: Regularly maintain the vehicle. Act quickly to replace defective parts.
Is the 2006 5.4 Triton a good engine?
Power comes in at 235-550 horsepower and 330-510 torque. Output greatly depends on the year and model. Nonetheless, the performance numbers are impressive for the era the 5.4L engine was released. It’s a solid overall engine and won a handful of Ward’s 10 Best Engine awards.
What year did Ford have cam phaser problems?
From 2005 until 2010 the cam phasers caused issues in one of the most sold sports coupes in the world.
What is the best year Ford F150 to buy?
The best Ford F150s years are 1993, 1994, 1996, 2009, 2012, 2003, 2001, 2014, 2018, and 1998. While the worst F150 years are based on total complaints received by the National Highway and Traffic Safety Administration, which are 2004, 2005, 2006, 2013, 2015, 2016, 2011, 2007, 2002, and 2010.
What brand spark plugs does Ford use?
All the right spark plugs, recommended by Ford Motor Company
The Motorcraft® name means quality, performance, reliability and confidence. All of these can be found in each Motorcraft® spark plug.
What year is bad for Ford F150?
The worst F150 years, based on total complaints to the National Highway and Traffic Safety Administration, are 2004, 2005, 2006, 2013, 2015, 2016, 2011 2007, 2002, and 2010. The best Ford F150s are 1993, 1994, 1996, 2009, 2012, 2003, 2001, 2014, 2018, and 1998.
Why is my 2007 F150 shaking?
Faulty or dirty plugs: If the spark plugs are dirty or worn, it may cause misfires which leads to shaking in the engine. New spark plugs will need to be installed. Exhaust: If the muffler or exhaust system is damaged, or has a leak, there will be an increased vibration and shaking while idling.
What year did Ford stop making the 5.4 3 valve?
The engine saw several revisions during its lifespan. When it was first introduced in a SOHC configuration, it was ranked on Ward’s 10 Best Engines list for 1997-1998 and 2000-2002. The year later, Ford added a 3-valve SOHC design up until 1999 where it shifted to a 4-valve dual-overhead cam setup.
How much does it cost to replace a 5.4 Triton engine?
Having engine replaced now in 2008 F150, engine is a 3 valve 5.4 Triton V8. Total is $6500. Average labor is 20 hrs for job at $100 an hour. Going with a Ford replacement due to easier install saving 5 hours.
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