P264E Fault Code

A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1

• What does that mean?
• Symptoms
• Causes
• Solutions

The P264E fault code indicates an issue with the Rocker Arm Actuator Position Sensor Circuit for Bank 1. This code can be triggered when the sensor detects an intermittent or erratic signal, which may lead to issues with the engine's Variable Valve Timing (VVT) system. Proper VVT operation is essential for optimizing engine performance and efficiency.

What are the symptoms of the P264E code?

Symptoms that may accompany the P264E code can include:

• Reduced engine performance and power.
• Increased fuel consumption.
• Rough idling or stalling.
• Check Engine Light illuminated on the dashboard.
• Unusual engine noises or engine knocking.

What causes the P264E code?

Common causes of the P264E fault code include:

• Faulty rocker arm actuator position sensor.
• Damaged wiring or connectors in the sensor circuit.
• Faulty engine control module (ECM).
• Low engine oil level or poor oil quality affecting actuator operation.
• Wear or buildup in the rocker arms or related components.

How to fix P264E?

To resolve the P264E fault code, follow these steps:

1. Verify the code with an OBD-II scanner and perform a visual inspection of the wiring and connectors associated with the rocker arm actuator position sensor.
2. Check the engine oil level and condition, replacing or topping up if necessary.
3. Test the rocker arm actuator position sensor for proper function and resistance; replace if faulty.
4. Examine the engine control module for any fault codes or malfunctions.
5. Clear the codes, run the engine, and recheck for any recurrence of the P264E code.