P0299

Turbocharger/Supercharger A Underboost Condition

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–333 (est.)

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

P2262 P2263 P0298