P266B

Symptoms

• Check Engine light comes on
• Reduced engine power
• Increased fuel consumption
• Unstable engine operation
• Noises from the timing belt area

Causes

• Malfunction of the rocker actuator position sensor
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Rocker arm actuator malfunction
• Problems with the engine control unit

How to Fix

1. Check the integrity of the sensor circuit
2. Inspect the sensor connectors for corrosion
3. Check the resistance of the position sensor
4. Replace the faulty sensor if necessary
5. Check the operation of the rocker arm actuator

Related codes

Error P266B by Vehicle Brand