P2AA3

Symptoms

• Increased fuel consumption
• Unstable engine idling
• Reduced engine power
• Increased emissions of harmful substances
• Check Engine light comes on

Causes

• Clogged channels or EGR valve
• EGR valve malfunction
• Leaks in the EGR system
• Problems with the electrical circuit (open circuit, poor contact)
• Malfunction of sensors associated with the EGR system

How to Fix

1. Check the condition of the EGR valve and clean or replace if necessary
2. Inspect the EGR channels for blockages
3. Check the tightness of the EGR system
4. Check electrical connections and integrity of wiring harness
5. Check the operation of sensors associated with the EGR system

Related codes

Error P2AA3 by Vehicle Brand