Which 7.3 Powerstroke Years to Avoid And Why?

7.3 powerstroke years to avoid

A powerplant engine is the heart of an airplane, providing the power to turn the propeller and keep the airplane in the air. There are many different types of engines, but not all are well-suited for use in a powerplant. 

To be a good powerplant engine, an engine must be reliable, efficient, and durable. The 7.3 Powerstroke engine is a workhorse. It’s been used in Ford trucks for years and is known for its durability and reliability. 

However, there are certain 7.3 powerstroke years to avoid and they are known to be problematic. In this blog post, we’ll take a look at which 7.3 Powerstroke years to avoid if you’re in the market for a used truck.

What you know about the engine:

  • 1999-2003 7.3 Powerstroke engines are known for having issues with fuel injectors. In fact, it’s not uncommon for trucks equipped with these engines to have one or more fuel injectors fail. The good news is that the problem can be fixed with a relatively simple fuel injector swap. However, the bad news is that the cost of the fuel injector swap can be quite expensive, upwards of $2000 in some cases.
  • Another issue to be aware of with 1999-2003 7.3 Powerstroke trucks is the EGR cooler. The EGR cooler is responsible for cooling exhaust gases before they’re sent back into the combustion chamber. Unfortunately, the EGR coolers on these trucks are known to fail prematurely. When they do fail, they can cause major engine damage. As such, it’s important to have the EGR cooler replaced as soon as possible if it begins to show signs of failure.
  • 2004-2007 7.3 Powerstroke engine is plagued by a problem with the high-pressure oil system. This problem can lead to catastrophic engine failure and is incredibly expensive to fix. As such, it’s best to avoid trucks equipped with this engine if at all possible.

The powerplant engine to choose: Unique features

There are many different types of engines available on the market, but not all of them are well-suited for use in a powerplant. An engine needs to be dependable, effective, and long-lasting in order to be a good powerplant engine.

A workhorse, the 7.3 Powerstroke engine. It has a long history of usage in Ford trucks and is renowned for its dependability and sturdiness. But some 7.3 Powerstroke models are known to have issues in specific years.

By meeting three criteria—reliability, efficiency, and durability—a powerplant engine can provide years of trouble-free service to its owner. That’s why when selecting an engine for your airplane, it’s important to choose one that has a proven track record of success in the aviation industry.


If you’re in the market for a used truck equipped with a 7.3 Powerstroke engine, make sure to avoid 1999-2003 models due to fuel injector issues and 2004-2007 models due to problems with the high-pressure oil system. Both of these issues can lead to extremely expensive repairs down the road. Stick to newer model years, and you’ll be much better off in terms of reliability and longevity.