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P2257 Ford Code - Secondary Air Injection System Control 'A' Circuit Low

Quick Answer

The P2257 Ford diagnostic trouble code refers to an issue with the Secondary Air Injection System Control 'A' Circuit being low. Common causes include Faulty secondary air injection pump, Malfunctioning secondary air injection control module, Damaged wiring or connectors in the 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
P2257 Ford indicates Secondary Air Injection System Control 'A' Circuit Low.
Common causes
Common causes include Faulty secondary air injection pump, Malfunctioning secondary air injection control module, Damaged wiring or connectors in the 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2257 Ford Description

The P2257 Ford diagnostic trouble code refers to an issue with the Secondary Air Injection System Control 'A' Circuit being low. This system is responsible for injecting fresh air into the exhaust system to help reduce harmful emissions. When this code is triggered, it indicates that there is a problem with the control circuit of the secondary air injection system, potentially leading to increased emissions and decreased fuel efficiency.

OBDII Code P2257 Ford - Secondary Air Injection System Control 'A' Circuit Low
P2257 Ford Code - Secondary Air Injection System Control 'A' Circuit Low

Common Causes of P2257 Ford

  1. Faulty secondary air injection pump
  2. Malfunctioning secondary air injection control module
  3. Damaged wiring or connectors in the system
  4. Clogged secondary air injection system
  5. Vacuum leak in the system

Symptoms of P2257 Ford

  1. Check Engine Light illuminated on the dashboard
  2. Rough idle or misfiring engine
  3. Decreased fuel efficiency
  4. Vehicle failing emissions tests
  5. Reduced engine performance

How to Fix P2257 Ford

  1. Use a scan tool to identify the specific cause of the P2257 code
  2. Inspect the secondary air injection pump and control module for any signs of damage
  3. Check the wiring and connectors for any breaks or corrosion
  4. Clear any obstructions in the secondary air injection system
  5. Replace any faulty components and reset the engine control module

Cost to Fix P2257 Ford

The typical repair costs for addressing a P2257 Ford code can vary depending on the specific cause of the issue. In general, the cost of parts for this repair can range from $200 to $500, while labor costs can range from $150 to $300. It is important to note that diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate based on your vehicle make and model.

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Tech Notes for P2257 Ford





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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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