OBD Guide

P2B3F

A Camshaft Position Actuator Position Sensor B Circuit Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Reduced engine power
  • Unstable engine idling
  • Difficulty starting the engine
  • Increased fuel consumption
  • The Check Engine light may come on

Causes

  • Malfunction of the camshaft position sensor
  • Open or short circuit in sensor wiring
  • Poor contact in the sensor connector
  • Engine control unit (ECU) malfunction
  • Camshaft drive problems

How to Fix

  1. Check the wiring and connector of the sensor for damage
  2. Check camshaft position sensor to manufacturer specifications
  3. Replace the camshaft position sensor if necessary
  4. Check the engine control unit (ECU) for errors and update the firmware if necessary
  5. Check the camshaft drive for mechanical damage

Related codes

Error P2B3F by Vehicle Brand