P0670 Ford Code - Glow Plug Control Module Circuit Fault
Quick Answer
The P0670 code for Ford vehicles indicates a fault in the Glow Plug Control Module Circuit. Common causes include Faulty glow plug control module, Wiring issues in the glow plug circuit, Corrosion or poor connections in the electrical system. 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
- P0670 Ford indicates Glow Plug Control Module Circuit Fault.
- Common causes
- Common causes include Faulty glow plug control module, Wiring issues in the glow plug circuit, Corrosion or poor connections in the electrical system.
- 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 P0670 Ford Description
The P0670 code for Ford vehicles indicates a fault in the Glow Plug Control Module Circuit. The glow plug control module is responsible for managing the glow plugs in a diesel engine, which are essential for cold starts. When the engine is cold, the glow plugs heat up to help ignite the fuel-air mixture. If the control module circuit is faulty, it can lead to issues with starting the engine, especially in cold weather conditions.
Common Causes of P0670 Ford
- Faulty glow plug control module
- Wiring issues in the glow plug circuit
- Corrosion or poor connections in the electrical system
- Defective glow plugs
- Issues with the engine control module (ECM)
Symptoms of P0670 Ford
- Difficulty starting the engine, especially in cold weather
- Check engine light illuminated on the dashboard
- Reduced fuel efficiency
- Engine misfires
- Rough idling
How to Fix P0670 Ford
- Begin by diagnosing the specific cause of the fault code using a diagnostic scanner to pinpoint the issue in the glow plug control module circuit.
- Inspect the wiring and connections in the glow plug circuit for any signs of damage, corrosion, or loose connections. Repair or replace any faulty wiring.
- Test the glow plugs themselves to ensure they are functioning correctly. Replace any defective glow plugs.
- If the issue persists, replace the glow plug control module itself to resolve the circuit fault.
- Clear the fault code from the vehicle's computer system using the diagnostic scanner to reset the check engine light.
Cost to Fix P0670 Ford
The cost of repairing a Glow Plug Control Module Circuit Fault can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair costs for this issue can range from $200 to $500. However, it is essential to note that the actual cost can be higher or lower depending on the location, vehicle make and model, and the labor rates of the auto repair shop. It is recommended to consult a professional mechanic for a more accurate cost estimate based on your specific vehicle and circumstances.
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