AutoCodes – Ford – P068E Ford

P068E Ford Code - Cylinder 8 Glow Plug Control Circuit Low

Quick Answer

The glow plug system is used to assist in providing the heat required to begin combustion during cold engine temperatures. Common causes include Faulty cylinder #8 glow plug, Cylinder #8 glow plug harness is open or shorted, Cylinder #8 glow plug circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P068E Ford indicates Cylinder 8 Glow Plug Control Circuit Low.
Common causes
Common causes include Faulty cylinder #8 glow plug, Cylinder #8 glow plug harness is open or shorted, Cylinder #8 glow plug circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 1,732
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 18, 2022
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Code P068E Ford Description

The glow plug system is used to assist in providing the heat required to begin combustion during cold engine temperatures. The glow plugs are heated before and during cranking, as well as initial engine operation. The Engine Control Module (ECM) controls the glow plug ON times by monitoring coolant temperature and glow plug voltage. The California Glow Plug system has eight individual glow plug supply circuits between the controller and the glow plugs. If the feedback voltage from the controller to the ECM is not within range, the ECM sets the OBDII code.
OBDII Code P068E Ford - Cylinder 8 Glow Plug Control Circuit Low - AutoCodes.com
P068E Ford Code - Cylinder 8 Glow Plug Control Circuit Low

What are the Possible Causes of the DTC P068E Ford?

  • Faulty cylinder #8 glow plug
  • Cylinder #8 glow plug harness is open or shorted
  • Cylinder #8 glow plug circuit poor electrical connection
  • Faulty glow plug module

How to Fix the DTC P068E Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P068E Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P068E Ford code?

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Need Help with the Code?

Get the P068E Ford code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P068E Ford Code

1. What are the common symptoms of OBDII code P068E Ford (Cylinder 8 Glow Plug Control Circuit Low)?

- Common symptoms include rough idle, engine misfires, reduced power, and the Check Engine light illuminating.

2. What are the possible causes of OBDII code P068E Ford?

- Potential causes include a faulty glow plug, damaged wiring or connectors in the glow plug circuit, a defective glow plug control module, or a problem with the ECM.

3. How can I diagnose the Cylinder 8 Glow Plug Control Circuit Low issue?

- You can use a diagnostic scanner to retrieve the specific trouble code, visually inspect the glow plug and related components, and test the glow plug resistance and circuit continuity.

4. Is it safe to continue driving with OBDII code P068E Ford present?

- It is not recommended to drive the vehicle with this code active, as it can lead to poor engine performance and potential damage if left untreated.

5. How can I repair OBDII code P068E Ford at home?

- You can attempt to replace the faulty glow plug yourself if you have the necessary tools and experience. However, for more complex issues, it is advisable to seek professional help.

6. Can a faulty glow plug control module cause OBDII code P068E Ford?

- Yes, a malfunctioning glow plug control module can result in the Cylinder 8 Glow Plug Control Circuit Low code being triggered.

7. Are there any preventive maintenance tips to avoid OBDII code P068E Ford?

- Regularly inspecting and testing the glow plugs, wiring, and control module can help prevent issues that may lead to this trouble code.

8. Will resetting the Check Engine light clear OBDII code P068E Ford?

- Resetting the Check Engine light may temporarily turn it off, but the underlying issue causing the trouble code will still need to be addressed to prevent it from reoccurring.

9. Can extreme weather conditions affect the glow plug circuit and trigger OBDII code P068E Ford?

- Yes, extremely cold temperatures can cause glow plug issues, leading to the Cylinder 8 Glow Plug Control Circuit Low code being set.

10. How much does it typically cost to repair OBDII code P068E Ford at a professional auto repair shop?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 or more, including parts and labor.

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