P2259 Ford Code - Secondary Air Injection System Control 'B' Circuit Low
Quick Answer
The P2259 Ford diagnostic trouble code indicates an issue with the Secondary Air Injection System Control 'B' Circuit being low. Common causes include Faulty secondary air injection pump, Damaged or corroded wiring in the control circuit, Faulty secondary air injection system control module. 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
- P2259 Ford indicates Secondary Air Injection System Control 'B' Circuit Low.
- Common causes
- Common causes include Faulty secondary air injection pump, Damaged or corroded wiring in the control circuit, Faulty secondary air injection system control module.
- 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 P2259 Ford Description
The P2259 Ford diagnostic trouble code indicates an issue with the Secondary Air Injection System Control 'B' Circuit being low. The Secondary Air Injection System is designed to reduce harmful emissions by injecting fresh air into the exhaust system to help burn off any remaining fuel before it exits the tailpipe. The 'B' circuit refers to a specific part of the system that controls the flow of air.
Common Causes of P2259 Ford
- Faulty secondary air injection pump
- Damaged or corroded wiring in the control circuit
- Faulty secondary air injection system control module
- Vacuum leak in the system
- Clogged secondary air injection system components
Symptoms of P2259 Ford
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idling or stalling
- Increased emissions output
- Reduced engine performance
How to Fix P2259 Ford
- Diagnose the specific cause of the issue using a scan tool to pinpoint the exact component triggering the code.
- Inspect the wiring and connections in the secondary air injection system for any damage or corrosion.
- Test the secondary air injection pump and control module for proper functionality.
- Replace any faulty components such as the pump, control module, or damaged wiring.
- Clear the diagnostic trouble codes and reset the system to ensure the issue has been resolved.
Cost to Fix P2259 Ford
The cost of repairing the P2259 Ford code can vary depending on the specific cause of the issue and the cost of parts and labor in your area. On average, the repair for this code can range from $200 to $600, including parts and labor. It is recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.
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