How much does turbo repair cost?

Turbo repairs range from $200 for a boost sensor or solenoid to $1,500-$3,000+ for turbocharger replacement. Early diagnosis of boost leaks can prevent the most expensive repairs.

What causes turbo failure?

Common causes include oil starvation, contaminated oil, foreign object ingestion, excessive heat, and normal wear. Regular oil changes with proper oil are essential for turbo longevity.

P0239

Turbo/Super Charger Boost Sensor "B" Circuit

Moderateturbo

Overview

The P0239 code indicates a turbo/super charger boost sensor "b" circuit condition has been detected by the PCM. This code relates to the turbocharger/supercharger system that provides forced induction to increase engine power. Issues with the boost system can result in reduced power, poor fuel economy, and potential turbocharger damage if not addressed.

Symptoms

Reduced engine power
Black or blue smoke from exhaust
Whining or whistling noise from turbo
Turbo lag or surging

Common Causes

Faulty wastegate control solenoid
Failed turbocharger boost pressure sensor
Faulty turbocharger wastegate
Boost leak in intercooler piping

Diagnosis Steps

1Connect an OBD-II scanner and read all stored trouble codes and freeze frame data
2Inspect all boost hoses and intercooler piping for leaks or disconnections
3Test the boost pressure sensor with a multimeter or scan tool live data
4Check the wastegate and bypass valve for proper operation
5Inspect the turbocharger for shaft play, oil leaks, or damage

Estimated Repair Cost

$200 — $3,000

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Subaru WRXVolkswagen GTIChevrolet Cruze TurboAudi A4 Turbo

Related Codes

P0234 P0235 P0243

More Turbo Codes

P0033Turbo/Super Charger Bypass Valve Control Circuit

Moderate

P0034Turbo/Super Charger Bypass Valve Control Circuit Low

Moderate

P0035Turbo/Super Charger Bypass Valve Control Circuit High

Moderate

P0039Turbo/Super Charger Bypass Valve Control Circuit Range/Performance

Moderate

P0045Turbo/Super Charger Boost Control Solenoid Circuit/Open

Moderate

P0046Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance

Moderate

Frequently Asked Questions

Minor turbo codes like sensor issues may allow careful driving, but significant boost or oil-related turbo codes should be addressed immediately to prevent turbocharger failure, which is very expensive to repair.