• The fault code P0234 indicates that there is a problem with the engine's turbocharger or supercharger system, resulting in an overboost condition that can damage the engine or other components.

Possible Symptoms:

  • Illuminated check engine light

  • Engine may enter limp mode to protect itself

  • Reduced engine power or acceleration

  • Engine may make unusual noises or smoke excessively

Possible Causes:

  • Malfunctioning wastegate or bypass valve

  • Faulty turbocharger or supercharger system

  • Blocked air intake or exhaust system

  • Corroded or damaged wiring or connections

Related Parts:

  • Turbocharger/Supercharger: Turbocharger compresses in more air into the engine, hence producing more power output. Problem leads to power loss

Possible Solutions:

  • Check and replace the wastegate or bypass valve

  • Inspect and repair the turbocharger or supercharger system

  • Unblock the air intake or exhaust system

  • Clean or repair corroded or damaged wiring or connections