Engine-CodesFord – P0672 Ford

P0672 Ford Code - Cylinder 2 Glow Plug Circuit Fault

Quick Answer

The P0672 code for Ford vehicles indicates a fault in the glow plug circuit for cylinder 2. Common causes include Faulty glow plug in cylinder 2, Wiring or connection issues in the glow plug circuit, Faulty glow plug relay. 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
P0672 Ford indicates Cylinder 2 Glow Plug Circuit Fault.
Common causes
Common causes include Faulty glow plug in cylinder 2, Wiring or connection issues in the glow plug circuit, Faulty glow plug relay.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0672 Ford Description

The P0672 code for Ford vehicles indicates a fault in the glow plug circuit for cylinder 2. Glow plugs are essential components in diesel engines, as they heat up the combustion chamber to aid in cold starting. When the engine is cold, the glow plugs provide the necessary heat to ignite the fuel-air mixture. If there is a fault in the glow plug circuit, it can lead to difficulties starting the engine, reduced fuel efficiency, increased emissions, and potential engine damage over time.

OBDII Code P0672 Ford - Cylinder 2 Glow Plug Circuit Fault
P0672 Ford Code - Cylinder 2 Glow Plug Circuit Fault

Common Causes of P0672 Ford

  1. Faulty glow plug in cylinder 2
  2. Wiring or connection issues in the glow plug circuit
  3. Faulty glow plug relay
  4. ECM (Engine Control Module) malfunction
  5. Corrosion or damage to the glow plug connector

Symptoms of P0672 Ford

  1. Difficulty starting the engine, especially in cold weather
  2. Rough idling or misfires
  3. Reduced fuel efficiency
  4. Increased emissions
  5. Engine hesitation or lack of power

How to Fix P0672 Ford

  1. Diagnose the issue by using a scan tool to read the fault code and inspecting the glow plug in cylinder 2.
  2. Test the glow plug to ensure it is functioning properly.
  3. Check the wiring and connections in the glow plug circuit for any damage or corrosion.
  4. Replace the faulty glow plug, glow plug relay, or repair any damaged wiring or connections.
  5. Clear the fault code and test the vehicle to ensure the issue has been resolved.

Cost to Fix P0672 Ford

The typical repair costs for addressing a P0672 code in a Ford vehicle can vary depending on the specific cause of the issue. In general, the cost of replacing a glow plug can range from $50 to $150 per plug, with labor costs adding an additional $100 to $200. If there are wiring or connection issues, the cost may increase to include the time spent diagnosing and repairing those components. Overall, the total repair cost for this issue could range from $200 to $500, but it's important to check with local auto repair shops for a more accurate estimate based on the specific circumstances of your vehicle.

Tech Notes for P0672 Ford





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When is the Code Detected?

The Engine Control Module (ECM) has detected a fault in the cylinder #2 glow plug circuit

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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.

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