B Rocker Arm Actuator Position Sensor Circuit Bank 2
The P267A code indicates a problem with the rocker arm actuator position sensor circuit on Bank 2. This sensor monitors the position of the rocker arm actuator, which controls variable valve timing or cylinder deactivation. A fault in this circuit can cause improper actuator operation, leading to reduced engine performance, increased emissions, and potential engine damage if not addressed.
01. Most Common Causes
- Faulty rocker arm actuator position sensor
- Wiring or connector issues in the sensor circuit
- Engine control module (ECM) malfunction
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Reduced engine power or performance
- Rough idle or misfire
03. Step-by-Step Diagnosis
Step 1: Use an OBD2 scanner to confirm the code and check for related codes.
Step 2: Visually inspect the wiring and connectors for Bank 2 rocker arm actuator sensor for damage or corrosion.
Step 3: Test the sensor's resistance and voltage with a multimeter and compare to manufacturer specifications.
Step 4: If sensor and wiring are okay, test the ECM output signals to the actuator.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as it can cause reduced engine performance and potential damage to the valve train.
How much does it cost to fix?▼
Repair costs typically range from $150 to $400, including parts and labor, depending on the cause and vehicle make.