P1394 Ford Code - Glow Plug Circuit High Input Bank 2
Quick Answer
The P1394 Ford code indicates a problem in the glow plug circuit on Bank 2 of the vehicle. Common causes include Faulty glow plugs, Damaged wiring harness, Malfunctioning 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
- P1394 Ford indicates Glow Plug Circuit High Input Bank 2.
- Common causes
- Common causes include Faulty glow plugs, Damaged wiring harness, Malfunctioning 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.
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Code P1394 Ford Description
The P1394 Ford code indicates a problem in the glow plug circuit on Bank 2 of the vehicle. Glow plugs are essential components in diesel engines, as they help heat the combustion chamber to aid in cold starts. When the engine is cold, the glow plugs heat up to ensure proper ignition of the fuel mixture. If the glow plug circuit on Bank 2 is registering a high input, it means that there is an issue with the electrical system that controls the glow plugs on that side of the engine.
Common Causes of P1394 Ford
- Faulty glow plugs
- Damaged wiring harness
- Malfunctioning glow plug relay
- Issue with the engine control module (ECM)
Symptoms of P1394 Ford
- Difficulty starting the engine, especially in cold weather
- Rough idling or stalling at startup
- Decreased fuel efficiency
- Check Engine Light illuminated on the dashboard
How to Fix P1394 Ford
- Begin by conducting a thorough inspection of the glow plug circuit on Bank 2, including visual checks of the glow plugs, wiring harness, and relay.
- Use a multimeter to test the resistance of the glow plugs to determine if any are faulty and need replacement.
- Check the wiring harness for any signs of damage or corrosion, and repair or replace as necessary.
- Test the glow plug relay to ensure it is functioning correctly, and replace if needed.
- Clear the diagnostic trouble codes from the ECM and test the vehicle to ensure the issue has been resolved.
Cost to Fix P1394 Ford
The cost of repairing a glow plug circuit high input on Bank 2 can vary depending on the specific components that need to be replaced. On average, the parts for this repair can range from $100 to $300, with labor costs adding an additional $100 to $200. Overall, the total cost for this repair could range from $200 to $500. It's important to keep in mind that diagnostic time and labor rates can vary, so it's advisable to check with local auto repair shops for a more accurate estimate based on your vehicle's make and model.
Tech Notes for P1394 Ford
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