Live Manual
Engine Error

P0234

Turbocharger/Supercharger Overboost Condition

Severity
High

Symptoms

Engine goes into limp mode, sudden loss of power, check engine light

Common Causes

  • Stuck wastegate
  • Faulty boost control solenoid
  • Damaged vacuum lines to turbo
  • Defective MAP/Boost sensor

How to Fix

  1. 1 Test and replace boost control solenoid
  2. 2 Lubricate or replace turbo wastegate
  3. 3 Replace damaged vacuum hoses
  4. 4 Replace MAP sensor
Estimated Repair Cost USD
$100 $1500

Boost solenoid: $150 - $300; Turbo replacement: $1,000+