p0299
Moderate
Renault · Sedans & Hatchbacks
Turbocharger/Supercharger Underboost
Quick Answer
Error code P0299 on your Renault Sedans & Hatchbacks means: Turbocharger/Supercharger Underboost. 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
2
Check boost pressure sensor output
3
Inspect wastegate operation
4
Test for intercooler leaks
5
Replace faulty 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
Boost pressure sensor (optional)
Wastegate solenoid (optional)
Intercooler (optional)
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