P227B

Symptoms

• Increased fuel consumption
• Reduced engine power
• Unstable engine operation at idle
• Check Engine light comes on
• The engine may go into emergency mode

Causes

• Barometric pressure sensor malfunction
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Sensor is dirty or damaged
• Problems with the engine control unit

How to Fix

1. Check the continuity of the barometric pressure sensor circuit
2. Inspect the sensor connector for damage or corrosion.
3. Check the functionality of the barometric pressure sensor
4. Replace sensor if necessary
5. Clear error codes and check if error is returned

Related codes

Error P227B by Vehicle Brand