P0152

Symptoms

• Increased fuel consumption
• Unstable engine operation
• Dips during acceleration
• Check Engine Light Is On
• Poor car dynamics

Causes

• Faulty oxygen sensor (Bank 2 Sensor 1)
• Open or short circuit in the sensor wiring harness
• Poor contact in the sensor connector
• Vacuum leaks in the intake manifold
• Malfunction of fuel injectors (overflow)
• Problems with the ignition system
• Sensor contamination with oil or antifreeze

How to Fix

1. Check the condition of the wiring harness and sensor connector
2. Check for vacuum leaks in the intake tract
3. Check the voltage and signal of the sensor using a scanner or oscilloscope
4. If the sensor is faulty, replace it
5. Clean the contacts of the sensor connector (if necessary)
6. Reset the error and check engine operation

Related codes

Error P0152 by Vehicle Brand