OBD Guide

P341B

Deactivation/Intake Valve Control Circuit Performance Bank 2

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Uneven engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • VVT solenoid valve malfunction
  • Open or shorted wiring harness
  • Problems with the engine control unit
  • Mechanical stuck intake valve
  • Low oil pressure in the VVT system

How to Fix

  1. Valve Control Circuit Diagnostics
  2. Checking VVT Solenoid Valves
  3. Inspecting the condition of the wiring harness
  4. Replacing a faulty intake valve if necessary
  5. Checking engine oil pressure

Related codes

Error P341B by Vehicle Brand