When diagnosing issues with diesel engines, the OBD-II code P067E is an important indicator of potential problems related to the glow plug system. This code specifically points to a malfunctioning glow plug control circuit for cylinder 6.
What Does the P067E Code Mean?
The P067E code signifies that the Engine Control Module (PCM) has detected an issue with the glow plug control circuit for cylinder 6, indicating it is operating at a lower-than-expected voltage, which can hinder the engine’s ability to start, particularly in cold weather.
What Causes the P067E Code?
This fault code is typically triggered by several factors, including:
- Glow plug control module failure
- Glow plug failure
- Glow plug wiring harness failure
What Are the Symptoms of the P067E Code?
Symptoms associated with the P067E code often include:
- Engine may not start
- Hard or no start in cold weather
- Rough running engine when started
How Serious Is the P067E Code?
The P067E code is classified as urgent, indicating that immediate action is necessary. Ignoring this issue can lead to severe engine damage or unsafe driving conditions.
How to Diagnose the P067E Code
To properly diagnose the P067E code, mechanics typically follow these steps:
- Use an OBD-II scanner to confirm the presence of the P067E code.
- Inspect the glow plug wiring harness for any visible damage or wear.
- Test the glow plug control module and the glow plug itself for functionality.
- Check for any additional diagnostic trouble codes (DTCs) that may provide more context.
Common Repairs for the P067E Code
Repairs for the P067E code may include:
- Replacing the faulty glow plug
- Repairing or replacing the glow plug control module
- Fixing or replacing damaged wiring within the glow plug circuit
How Much Does It Cost to Fix the P067E Code?
The cost to repair the P067E code can vary depending on the extent of the damage and the parts that need replacing. Generally, you can expect the following ranges:
- Glow plug replacement: $100 – $300 (parts and labor)
- Glow plug control module replacement: $150 – $600 (parts and labor)
Can I Fix the P067E Code Myself?
While some DIY enthusiasts may feel comfortable diagnosing and replacing glow plugs, it is crucial to have a solid understanding of automotive electrical systems. If you are uncertain or lack experience, it is advisable to seek help from a professional mechanic to avoid further complications.
