P0299: Turbocharger Underboost Condition

The turbocharger is not producing enough boost pressure.

Medium Severity

$100 – $2,500

Typical repair cost range

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Can I Keep Driving with Code P0299?

Yes but with significant power loss. Long-term may damage the turbo.

What P0299 Means

P0299 means actual boost is below what the computer expects. Common causes include boost leaks, a failing wastegate, a clogged intake, or a worn turbocharger.

Common Causes

Diagnostic Tips

A smoke test of the intake side finds boost leaks fast.
On VW/Audi 2.0T and Ford EcoBoost engines, the diverter valve is a common failure.

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Frequently Asked Questions

Can I drive with low boost?

Briefly, yes. Avoid heavy throttle until fixed.