P0234

Serious, act now

Turbocharger Overboost Condition

What this code means

Boost pressure exceeded the safe limit - the wastegate or boost control is not relieving pressure.

Common symptoms

Surging power then limp mode
Check engine light
Possible knocking

Most common causes

Stuck wastegate or VGT mechanism
Faulty boost control solenoid
Kinked control hoses
Bad boost sensor

Can you keep driving?

Overboost can destroy pistons and the turbo - drive gently, avoid full throttle, and repair quickly.

Do not guess in the dark

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Find a repair shop

Run a shop? The OBD decoder, VIN tools and parts catalog are built into the Motoro dashboard. See Motoro for workshops

Descriptions are for guidance only. Accurate diagnosis requires a workshop inspection.