Question 1

What does P0299 mean?

Accepted Answer

P0299 - Turbo/Supercharger Underboost Condition. Turbocharger not producing enough boost. Actual boost lower than commanded. Very common on Ford EcoBoost and VW/Audi TSI.

Question 2

What are the symptoms of P0299?

Accepted Answer

Check engine light, Significant loss of power, Turbo may whistle or not spool, Slow acceleration, Limp mode possible

Question 3

What causes P0299?

Accepted Answer

Boost leak (intercooler pipe, charge pipe, hose clamp), Wastegate stuck open, Failed boost solenoid, Worn turbocharger, Clogged air filter, Intercooler leak

Question 4

How much does it cost to fix P0299?

Accepted Answer

Typical repair cost: $50-$3,000. Check for boost leaks FIRST. A popped charge pipe or loose clamp is #1 cause and costs $0-50. Use soapy water on charge pipes with engine running. On Ford EcoBoost, the throttle body charge pipe connection is notorious.

P0299 — Turbo/Supercharger Underboost Condition

Don't guess — diagnose P0299 the right way

Common symptoms of P0299

Common causes of P0299

Repair cost & difficulty

Vehicles commonly affected

Related trouble codes