P0299
Turbocharger/Supercharger A Underboost Condition
P0299 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger A Underboost Condition. Common causes: air leaks in the intake tract, turbocharger/supercharger malfunction. Estimated repair cost: $56–333.
Symptoms
- Reduced engine power
- Delayed response to the gas pedal
- Unusual noises from the turbocharger
- Increased fuel consumption
Causes
- Air leaks in the intake tract
- Turbocharger/supercharger malfunction
- Wastegate or bypass valve problems
- Intercooler clogged or damaged
- Boost pressure sensor malfunction
- Mechanical damage to turbo system components
How to Fix
- Visual inspection of the intake system for leaks
- Checking the operation of the turbocharger/supercharger
- Wastegate and bypass valve diagnostics
- Checking pressure sensors and their circuits
- Turbo system performance testing
- Repair or replacement of faulty components
Related codes
Error P0299 by Vehicle Brand
FAQ
What does the P0299 code mean?
P0299 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger A Underboost Condition
What causes a P0299 error code?
The most common causes of P0299 include: Air leaks in the intake tract; Turbocharger/supercharger malfunction; Wastegate or bypass valve problems; Intercooler clogged or damaged.
How do I fix a P0299 diagnostic trouble code?
To fix P0299: Visual inspection of the intake system for leaks. Checking the operation of the turbocharger/supercharger. Wastegate and bypass valve diagnostics. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0299?
Limited driving only, diagnose soon
How much does it cost to fix P0299?
The estimated repair cost for P0299 is $56–333. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat