P2397

Symptoms

• Unstable engine operation
• Increased fuel consumption
• Reduced engine power
• Check Engine Light Illuminates
• Dips during acceleration

Causes

• Air flow position sensor B malfunction
• Open or short circuit in the sensor circuit
• Sensor contamination
• Problems with the sensor connector
• Engine control unit malfunction

How to Fix

1. Check sensor parameters using a scanner
2. Visually inspect the sensor and its connector
3. Check the sensor circuit for open circuit and short circuit
4. Clean or replace sensor if necessary
5. Check and, if necessary, replace the engine control unit

Related codes

Error P2397 by Vehicle Brand