What year Ford was bad for spark plugs?

Based on the information from the search results, there were several years when Ford vehicles had issues with spark plugs. Here are the key points:
Ford Spark Plug Problems
– Ford vehicles produced during certain years had problems with faulty spark plugs.
– The spark plug issues varied across different models and locations in the US.
– The most common issues with the spark plugs were stripped or missing threads, which could cause them to come loose or blow out.
– The problematic years for Ford spark plugs include 2004 to 2008.
– The Ford 4.6L, 5.4L, and 6.8L engines with three-valve (3V) design built from 2004 to 2007 were particularly affected.
– The spark plug problems were not limited to a specific year or engine, but they seemed to be more prevalent during those years.
Resolution
– Ford made changes to the spark plug design and head starting in 2009 to address the issue.
– The newer design featured more threads in the cylinder heads to prevent the spark plugs from blowing out.
Based on the information provided, it is recommended to avoid Ford vehicles produced during the years 2004 to 2008 to minimize the risk of spark plug problems.

How long do Ford spark plugs last?

Ford F-150 Spark Plugs Maintenance
Most spark plugs should be inspected every 30,000 miles or so, with replacements often being necessary around the 60,000-100,000-mile mark, but cleaning the area around them and pulling them out for a wipe-down can benefit several drivers.

Which Ford engine lasts the longest?

Diesel engines.
Ford trucks and SUVs with diesel engines will last much longer than their gasoline counterparts. Diesel engines are known for their longevity, frequently surpassing 400,000 miles. There are even reports of a Ford diesel engine making it to 1 million miles.

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.

Which Ford engine has 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.

What is the Ford spark plug lawsuit?

The class-action lawsuit alleges spark plugs get stuck inside the cylinder heads in Ford and Lincoln vehicles equipped with 5.4-liter 3-valve engines. Owners report that trying to remove the spark plugs often causes the plugs to break off, making it impossible to remove the plugs without the needed tools.

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 is the Ford class action lawsuit spark plugs?

On June 5, Ford Motor Co. agreed to a $2.2 million spark plug defect class action settlement, resolving claims that their vehicles feature defective spark plugs that were difficult and expensive for consumers to replace.

What year did Ford stop using 2 piece spark plugs?

I did a little research after learning of the two piece Motorcraft spark plugs. Turns out that Ford made changes to the cylinder head in mid year of 2008, and I happen to have a later build (April 2008) with the updated one piece spark plugs.

What year Fords have spark plug issues?

Notorious Ford V8 spark plugs need an extended warranty
Replacing spark plugs has been a no-brainer for most passenger vehicles for, say, the last 100 years. 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 Ford motor blows out spark plugs?

Ford 4.6, 5.4 and 6.8 modular engines are prone to spark plugs being blown out of the cylinders due to the aluminum threads failing. If the spark plugs are not tight enough the spark plug vibrates until the aluminum is weakened to a point the spark plug shoots out.