Home Diesel News 7.3L Powerstroke Glow Plug Failure: Symptoms and Solutions

7.3L Powerstroke Glow Plug Failure: Symptoms and Solutions

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If you own a 7.3L Powerstroke diesel engine, you know that it’s a reliable and powerful machine. However, like all engines, it can experience problems, and one issue you may encounter is glow plug failure. Glow plugs play a crucial role in the combustion process, and if they’re not functioning properly, it can lead to several problems with your engine. In this blog, we’ll cover the symptoms of glow plug failure in a 7.3L Powerstroke and what you can do to fix the problem.

Symptoms of Glow Plug Failure

Engine won’t start: If the glow plugs are failing, the engine may not start, especially in cold weather.
Engine misfires: Glow plugs play a crucial role in the combustion process until the Engine is warmed up, and if they’re failing, it can cause the engine to misfire.
Engine runs rough: Glow plugs are responsible for heating the air/fuel mixture, and if they’re not functioning properly, it can cause the engine to run rough.
Engine stalls: If the glow plugs are failing, the engine may stall when starting, especially in cold weather.
Check engine light (CEL): A malfunctioning glow plug system can trigger a check engine light to come on.

Solutions for Glow Plug Failure

If you’re experiencing any of these symptoms, it’s important to have your glow plugs inspected and replaced if necessary. A professional mechanic can diagnose the problem and determine if the glow plugs need to be replaced. If left unaddressed, a failing glow plug system can lead to more serious engine problems, so it’s important to address the issue as soon as possible.

In conclusion, glow plug failure in a 7.3L Powerstroke engine can lead to several issues with the engine, but with proper maintenance and timely repairs, you can keep your engine running smoothly. If you’re experiencing any of the symptoms of glow plug failure, don’t hesitate to have your truck inspected by a professional.

If you need glow plugs, under valve cover harnesses, glow plug relay, or the complete package, feel free to purchase from our store. Links down below.

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