P1393 Ford Code - Glow Plug Circuit Low Input Bank 2
Quick Answer
The P1393 code for Ford vehicles indicates a problem with the glow plug circuit on bank 2 of the engine. Common causes include Faulty glow plugs, Damaged wiring harness, Defective 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
- P1393 Ford indicates Glow Plug Circuit Low Input Bank 2.
- Common causes
- Common causes include Faulty glow plugs, Damaged wiring harness, Defective 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 P1393 Ford Description
The P1393 code for Ford vehicles indicates a problem with the glow plug circuit on bank 2 of the engine. Glow plugs are essential for diesel engines to start in cold weather, as they heat up the combustion chamber to facilitate ignition. When the Engine Control Module (ECM) detects a low input in the glow plug circuit on bank 2, it means that the glow plugs are not functioning properly, leading to difficulties in starting the engine, especially in colder temperatures.
Common Causes of P1393 Ford
- Faulty glow plugs
- Damaged wiring harness
- Defective glow plug relay
- ECM malfunction
- Corrosion or poor connections in the glow plug circuit
Symptoms of P1393 Ford
- Difficulty starting the engine, especially in cold weather
- Rough idling or misfiring
- Decreased fuel efficiency
- Engine hesitation or lack of power
How to Fix P1393 Ford
- Diagnose the specific cause of the issue by testing the glow plugs, wiring harness, relay, and ECM using a multimeter.
- Replace any faulty glow plugs with new ones compatible with the vehicle's make and model.
- Inspect the wiring harness for any damage or corrosion, repairing or replacing it as necessary.
- Test the glow plug relay and replace it if it is faulty.
- If the issue persists, consider checking the ECM for any malfunctions or errors and repair or replace it if needed.
Cost to Fix P1393 Ford
The typical repair costs for addressing the P1393 code on Ford vehicles can range from $200 to $500, including parts and labor. However, this estimate can vary depending on the specific components that need to be replaced and the labor rates at the auto repair shop. It's essential to consider factors such as the location of the repair shop, the vehicle's make and model, and the type of engine when estimating the final cost. It's recommended to consult with a qualified mechanic or dealership for a more accurate cost estimate based on the specific circumstances.
Tech Notes for P1393 Ford
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