What is the spark plug problem with the 2003 Ford 5.4 Triton?

The 2003 Ford 5.4 Triton engine had a spark plug problem, specifically related to spark plug blowout. This issue was more common in the 2-valve Triton engines, particularly in the 6.8L V10 and 5.4L V8 engines. However, Ford made changes to address this problem in 2003. They introduced a new head design and extended the length of the spark plugs, which significantly reduced the occurrence of spark plug blowout. While there have been a few cases of blowout on 2003+ models, it is not considered very common.
It’s worth noting that the spark plug problem with the 2003 Ford 5.4 Triton engine is specific to spark plug blowout and does not encompass other potential issues that may arise with spark plugs, such as carbon accumulation or difficulty in removal.
Please let me know if there’s anything else I can help you with!

What causes a misfire on a 5.4 Triton?

Misfires can be caused any number of things, BUT we all know that most of the time it’s the spark plug, the ignition coil, or both. Old spark plugs do put a lot more strain on the coil and will often burn it out causing misfores. Because if it’s something else, fixing it will be a lot less fun.

What year did Ford fix the spark plug problem?

That original 2006 TSB has been updated several times, with the final one being TSB 08-7-6 (you can easily find it on the web). For 2008, Ford redesigned the 3V cylinder head to use a new one-piece spark plug.

What years did the 5.4 Triton have problems?

Most of the most common problems developed with the 2004-2013 3 valve engine but some problems spanned all engine generations. The most popular issue but easiest to fix, is the ignition system. The 3 valve 5.4L Triton contains a coil-on-plug design. Each cylinder has a separate coil that fits onto the spark plug.

What year Ford F-150 has spark plug problems?

Between 2004 and 2007, Ford made several 3-valve engines that had the unfortunate habit of refusing to give up their spark plugs.

What year 5.4 have spark plug issues?

One of the common issues of the modular platform was its tendency to blow out spark plugs. This issue happened the most on the 5.4 Triton from 1997 to 2003. During this era, the motor commonly powered the F-Series pickups, E-Series vans, and the Expeditions/Navigators.

How do I know if my F-150 coil pack is bad?

6 Common Signs of a Faulty Ignition Coil

1. Poor Engine Performance.
2. Coughing and Stalling in Idle.
3. Dropping Fuel Efficiency.
4. Strange Exhaust Sounds.
5. Thick Smoke Behind Your Car.
6. Check Engine Dashboard Light.

Which 5.4 have spark plug problems?

One of the common issues of the modular platform was its tendency to blow out spark plugs. This issue happened the most on the 5.4 Triton from 1997 to 2003. During this era, the motor commonly powered the F-Series pickups, E-Series vans, and the Expeditions/Navigators.

How often should you change spark plugs on 5.4 Triton?

For Ford F-150 models, spark plugs should be changed or replaced once every 60,000 miles. However, some spark plugs can last longer, sometimes reaching 100,000 miles without going bad. However, preventative maintenance is always better than letting a problem linger and affect your ride’s performance.

What year 5.4 to stay away from?

4 Least Reliable: 2002 – 2008 5.4-Liter Triton V8 Engine
The 5.4-liter Triton engine is a member of Ford’s Modular V8 engine family, introduced in 1997. The three-valve version produced from 2002 to 2008 is the most problematic and one of the most unreliable Ford engines.

Why do Triton spark plugs break?

The relatively long spark plugs have an extended electrode and metal spark plug tip on the lower portion. Over time, carbon accumulates here and can cause the spark plug tip to stick in the cylinder head.