AutoCodes – Ford – P068D Ford

P068D Ford Code - Cylinder 7 Glow Plug Control Circuit High

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 #7 glow plug, Cylinder #7 glow plug harness is open or shorted, Cylinder #7 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
P068D Ford indicates Cylinder 7 Glow Plug Control Circuit High.
Common causes
Common causes include Faulty cylinder #7 glow plug, Cylinder #7 glow plug harness is open or shorted, Cylinder #7 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 1,522
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 P068D 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 P068D Ford - Cylinder 7 Glow Plug Control Circuit High - AutoCodes.com
P068D Ford Code - Cylinder 7 Glow Plug Control Circuit High

What are the Possible Causes of the DTC P068D Ford?

  • Faulty cylinder #7 glow plug
  • Cylinder #7 glow plug harness is open or shorted
  • Cylinder #7 glow plug circuit poor electrical connection
  • Faulty glow plug module

How to Fix the DTC P068D 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 P068D 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.

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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 P068D Ford Code

1. What are the common symptoms of OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High)?

- Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High)?

- The code may be triggered by a faulty glow plug, damaged wiring or connectors in the glow plug circuit, a defective glow plug control module, or a faulty PCM (Powertrain Control Module).

3. How can I diagnose OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High)?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, visually inspecting the glow plug and its connections, testing the glow plug circuit for continuity, and checking the glow plug control module.

4. Can I still drive my vehicle with OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High)?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and decreased performance. It is best to address the issue promptly.

5. How can I repair OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High)?

- Repair may involve replacing the faulty glow plug, repairing or replacing damaged wiring or connectors, replacing the glow plug control module, or reprogramming the PCM if necessary.

6. Are there any tips to prevent OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High) from recurring?

- Regularly inspecting and maintaining the glow plug system, using high-quality glow plugs, and ensuring proper electrical connections can help prevent the recurrence of this code.

7. Is it possible to reset OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High) without repairs?

- While clearing the code may temporarily turn off the check engine light, it is essential to address the underlying issue causing the code to prevent further problems.

8. Can a DIY enthusiast repair OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High)?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code. However, professional assistance is recommended for complex repairs.

9. How long does it typically take to repair OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High)?

- The repair time can vary based on the specific cause of the code and the complexity of the repair. It may take anywhere from a few hours to a full day to address the issue fully.

10. Will OBDII code P068D Ford (Cylinder 7 Glow Plug Control Circuit High) affect my vehicle's performance?

- Yes, if left unresolved, this code can impact your vehicle's performance, leading to issues such as reduced power, increased emissions, and potential engine damage.

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