P2430 Fault Code

Secondary Air Injection System Air Flow/Pressure Sensor Circuit Bank 1

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2430 fault code indicates an issue with the Secondary Air Injection System's Air Flow/Pressure Sensor Circuit on Bank 1. This system is designed to reduce emissions during the initial warm-up phase of the engine by injecting air into the exhaust stream. When the sensor detects an abnormality, it triggers this fault code.

What are the symptoms of the P2430 code?

Common symptoms associated with the P2430 code may include:

• Illuminated Check Engine Light
• Decreased engine performance
• Increased emissions during vehicle inspection
• Possible rough idling or stalling in some cases

What causes the P2430 code?

Possible causes of the P2430 fault code include:

• Faulty air flow or pressure sensor
• Damaged wiring or connectors in the sensor circuit
• Faulty secondary air injection pump
• Blockages or leaks in the air injection system
• Engine control module (ECM) issues

How to fix P2430?

To resolve the P2430 fault code, follow these steps:

1. Inspect the air flow/pressure sensor and its wiring for damage or corrosion.
2. Test the secondary air injection system to ensure it is functioning properly.
3. Replace the air flow/pressure sensor if found defective.
4. Clear the fault code using an OBD-II scanner and take the vehicle for a test drive to ensure the issue is resolved.