P2492

Symptoms

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

Causes

• Open or short circuit in the sensor circuit
• EGR cooler bypass position sensor malfunction
• Connector problems or contact corrosion
• Mechanical failure of the bypass valve
• Malfunction of the electronic control unit (ECU)

How to Fix

1. Check the integrity of the wiring and connectors of the sensor circuit
2. Check the resistance and functionality of the position sensor
3. Clean or replace connectors if corroded
4. Check the mechanical operation of the bypass valve
5. If necessary, replace the EGR cooler bypass position sensor

Related codes

Error P2492 by Vehicle Brand