p0234
Moderate
Renault · Sedans & Hatchbacks
Engine Overboost Condition
Quick Answer
Error code P0234 on your Renault Sedans & Hatchbacks means: Engine Overboost Condition. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Perform diagnostic scan of boost system
2
Check wastegate mechanical linkage
3
Inspect boost pressure sensor
4
Test intercooler for blockages
5
Regulate or replace boost components
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Wastegate valve (optional)
Boost sensor (optional)
Intercooler (optional)
Related Error Codes