OBD Guide

P266E

A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2

P266E is an OBD-II diagnostic trouble code meaning: A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2. Common causes: malfunction of the rocker actuator position sensor, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Possible misfires

Causes

  • Malfunction of the rocker actuator position sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Mechanical failure of the rocker arm actuator
  • Low oil pressure in the VVT system

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for oxidation
  3. Check the oil pressure in the system
  4. Replace the rocker actuator position sensor if necessary
  5. Check the mechanical condition of the rocker arm actuator

Related codes

Error P266E by Vehicle Brand

FAQ

What does the P266E code mean?

P266E is an OBD-II diagnostic trouble code that indicates: A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2

What causes a P266E error code?

The most common causes of P266E include: Malfunction of the rocker actuator position sensor; Open or short circuit in the sensor circuit; Poor contact in connectors; Mechanical failure of the rocker arm actuator.

How do I fix a P266E diagnostic trouble code?

To fix P266E: Check the integrity of the sensor circuit. Inspect connectors and contacts for oxidation. Check the oil pressure in the system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P266E?

Yes, but get it checked soon

How much does it cost to fix P266E?

The estimated repair cost for P266E is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat