OBD Guide

P34BF

B Camshaft Position Actuator Position Sensor A Circuit High Bank 1

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine light comes on
  • Problems starting the engine

Causes

  • Camshaft position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Problems with the wiring harness or connectors
  • Engine control unit malfunction
  • VVT System Mechanical Problems

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and wiring harness for damage
  3. Check the functionality of the camshaft position sensor
  4. Replace sensor if necessary
  5. Check the operation of the VVT system after repair

Related codes

Error P34BF by Vehicle Brand