Which Ford engines have spark plug problems?

Which Ford engines have spark plug problems?

The Ford modular engines have had their share of spark plug issues. One of the issues was stripped or missing threads in the spark plug holes of 4.6-liter, 5.4-liter, and 6.8-liter 2-valve engines.

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.

Can new spark plugs increase horsepower?

In short, yes, in some situations spark plugs can increase horsepower. These ‘massive’ gains of one or two per cent generally won’t be exceeded, even if you’re replacing really old and worn spark plugs for new ones. In this case, your essentially just restoring your car back to its peak performance.

How long do NGK iridium plugs last?

40-50k miles
NGK gives them a life expectancy of 40-50k miles. But they have to temper their projections as driving conditions and motor modifications differ. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor. NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes.

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.

Can you change spark plugs on 5.4L Triton?

These are pretty straight-forward repairs on the 5.4L V8. Spark plugs and ignition coils are easy to change in the driveway – even for less experienced DIY’ers. It might not be required but we always recommend changing all 8 spark plugs or ignition coils together. This is especially true if the current set is old.

Are there any issues with the Ford 5.4L engine?

The 2-valve Ford 5.4L engine sometimes has issues with spark plugs actually blowing out of the head. 3-valve engines don’t have this issue. However, the spark plugs are known to sometimes break when removed. This can create a bit of a hassle if the spark plugs break off, however it’s still a simple replacement overall.

What to do if your Ford 5.4L V8 is misfiring?

Rough idle, stuttering, and power loss are a few things you may notice when your Ford 5.4 is misfiring. These are pretty straight-forward repairs on the 5.4L V8. Spark plugs and ignition coils are easy to change in the driveway – even for less experienced DIY’ers.