Engine Error
P0299
Turbocharger / Supercharger Underboost
Severity
High
Symptoms
Significant loss of power, limp mode, whistling noise
Common Causes
- Boost leak
- Faulty wastegate
- Failing turbocharger
- Faulty boost pressure sensor
How to Fix
- 1 Smoke test intake for boost leaks
- 2 Test wastegate actuator
- 3 Replace boost sensor
- 4 Inspect or replace turbocharger
Estimated Repair Cost
USD
$150
–
$3000
Boost sensor: $150; Turbocharger: $1,500 - $3,000