What is the problem with the glow plugs on the 6.7 Powerstroke?
The 6.7 Powerstroke diesel engine, found in Ford Super Duty trucks, is known for its impressive power and fuel efficiency. However, some owners have reported issues with the glow plugs on this engine, which can lead to various problems. In this article, we'll explore the common problems associated with the glow plugs on the 6.7 Powerstroke and provide insights on how to address them.
What are Glow Plugs?
Glow plugs are essential components in diesel engines, responsible for heating the air in the engine's cylinders to aid in the combustion process, particularly during cold starts. In the 6.7 Powerstroke, the glow plugs play a crucial role in ensuring the engine starts smoothly and runs efficiently.
Common Problems with 6.7 Powerstroke Glow Plugs
The 6.7 Powerstroke has been known to experience several issues related to its glow plugs, including:
- Glow Plug Failure: The glow plugs in the 6.7 Powerstroke can fail prematurely, leading to starting difficulties, rough idling, and reduced engine performance. This is often due to the high-stress environment in which the glow plugs operate.
- Glow Plug Control Module Failure: The glow plug control module, responsible for managing the glow plug system, can also fail, causing similar issues to glow plug failure.
- Wiring Harness Issues: The wiring harness connecting the glow plugs to the control module can become damaged or corroded, leading to electrical problems and glow plug malfunctions.
These problems can be frustrating for 6.7 Powerstroke owners, as they can significantly impact the engine's performance and reliability.
Addressing Glow Plug Issues
If you're experiencing problems with the glow plugs on your 6.7 Powerstroke, there are a few steps you can take to address the issue:
- Inspect and Replace Glow Plugs: Regularly inspect the glow plugs and replace any that are faulty or showing signs of wear. This can help prevent further issues and ensure your engine starts reliably.
- Check the Glow Plug Control Module: If the glow plugs seem to be functioning properly, the issue may lie with the glow plug control module. Have the module tested and replaced if necessary.
- Inspect the Wiring Harness: Carefully inspect the wiring harness connecting the glow plugs to the control module for any signs of damage or corrosion. Replace the harness if needed to ensure a reliable electrical connection.
- Consider Preventative Maintenance: Regularly maintaining your 6.7 Powerstroke, including changing the engine oil and filters, can help extend the lifespan of the glow plugs and other critical components.
By addressing these common glow plug issues, you can help ensure your 6.7 Powerstroke engine continues to perform at its best and avoid costly repairs down the line.
What is the most unreliable Power Stroke engine?
The 6.4 Powerstroke came after the 6.0 Powerstroke, which was widely panned for its problems and poor performance.
What year of 6.7 power stroke to avoid?
Issues with the Ford 6.7-liter Power Stroke are most pronounced in the first generation (2011-2014), but some problems have transcended generations. The injection pump could be trouble in pre-2020 engines.
What are the symptoms of bad glow plugs?
A complete failure of the glowplug system will cause a hard start or no start condition especially in cooler weather. A partial failure will usually result in a rough start with a lot of shaking and possibly white smoke until the engine smooths out and is firing on all cylinders.
What causes diesel glow plugs to fail?
Common reasons why glow plugs fail include:
Excessive carbon build up in your pre chambers. Folds and dents on the rod of the glow plug. Snapped or damaged tip of the glow plug. Excessive heat reaching the glow plug.
What is the most common problem with the 6.7 power stroke?
Navigating the Challenges of the Ford 6.7 Powerstroke
Today, we'll dive into three of most common issues owners may face: Cold Side Charge Pipe Failure, CP4 Injection Pump Failure, and Filtration problems.
Can you drive a diesel with a bad glow plug?
Driving With a Bad Glow Plug
You can drive with a bad glow plug if you have to. But the drive should be short and should take you to the mechanic's shop. Driving on a faulty glow plug will result in continued poor performance. Eventually, your engine will misfire.
What is the life expectancy of a 6.7 Power Stroke?
200,000 to 300,000 miles
How Long Will It Last? With proper care, many truck owners report that their deleted 6.7 Powerstroke engines last 200,000 to 300,000 miles or more. However, neglecting maintenance or using poor-quality delete kits can shorten the engine's lifespan.
How often should I change the glow plugs in diesel?
around 100,000 miles
Glow plugs do typically have a long lifespan, but over time they will naturally degrade due to wear and tear, and even faster in cold weather. On average, you can expect your glow plugs to last around 100,000 miles. So, you don't need to worry about replacing them too often.
How much does it cost to replace diesel glow plugs?
Glow plug are not one of the most expensive part. You can get a set of 6 or 8 (Depending on engine) at a price varying from $30 to $200. (That, unless you have an exotic Diesel). On most North-American truck, you can get them replaced by a mechanic for $100 to $200.
What year does 6.7 have a bad turbo?
What year does 6.7 have a bad turbo? The first-generation 6.7 Powerstroke models released from 2011 to 2014 are usually associated with turbocharger issues.
