P0410 – Secondary Air Injection System Malfunction

P0410 Code Overview

The P0410 code is an OBD-II diagnostic trouble code related to the Secondary Air Injection System in your vehicle. This system helps reduce emissions by injecting extra air into the exhaust to allow unburned fuel to combust. When the Engine Control Module (ECM) detects insufficient oxygen levels during this air injection process, it flags a P0410 code, indicating a malfunction in the air injection system. This issue can affect emissions and lead to an illuminated check engine light.

Common Causes of P0410

  • Faulty Air Injection Pump: Often due to water ingestion or general wear, the pump may stop working efficiently.
  • Blocked or Faulty Air Injection Valves: These valves direct airflow; if they become blocked or faulty, it can cause the code to appear.
  • Electrical Issues: Damaged wiring or connectors related to the air injection system can also trigger this code.
  • Faulty Oxygen Sensor: Since the ECM relies on oxygen sensor data, a faulty sensor may mislead the system.

Symptoms of a P0410 Code

  • Illuminated Check Engine Light: The most common and immediate symptom.
  • Poor Fuel Economy: A malfunction in the air injection system may affect combustion efficiency.
  • Increased Emissions: You might notice a smell or visual smoke indicating higher emissions.

How Serious is the P0299 Code?

The P0410 code generally isn’t critical for immediate vehicle operation but should be addressed promptly. Ignoring it may lead to poor fuel economy and potential long-term damage to the exhaust system components due to excess fuel in the exhaust.

How to Fix a P0410 OBD-II Trouble Code

  • Inspect and Replace the Air Injection Pump: If the pump has failed or is clogged, replacing it is often necessary.
  • Check and Clear Blocked Valves: Ensure air injection valves are not obstructed and replace if needed.
  • Inspect Wiring and Connectors: Repair or replace any damaged wiring or connectors in the air injection system.
  • Replace the Oxygen Sensor: If the sensor is faulty, replacing it should restore correct oxygen readings for the ECM.

Walnut Blasting For Blocked Inlets

To resolve a blockage in the inlet manifold, which can be a cause of the P0410 fault code, we offer a specialist walnut blasting service to clean the inlet and restore the airflow of the engine.

Get a quote from one of our friendly, professional mechanics today!

Phone

0114 2432469

Address

Unit 3, The Gables
Holywell Road
Sheffield, South Yorkshire
S4 8AR

Email

office@mbservicesyorkshire.co.uk