P259C

Excessive Time To Enter Closed Loop Turbocharger A Boost Control

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–167 (est.)

Symptoms

Reduced engine power
Delayed response to the gas pedal
Increased fuel consumption
Unstable turbine operation
Possible popping noises in the exhaust system

Causes

Leaks in the boost system (cracks in pipes)
Turbine bypass valve malfunction
Problems with vacuum lines
Boost pressure sensor malfunction
Jamming of the mechanism for changing the turbine geometry

How to Fix

Check the tightness of the charging system
Diagnose the operation of the bypass valve
Check vacuum lines and solenoids
Test pressure sensors
Clean or replace the turbine geometry changing mechanism

Related codes

P2563 P0299 P2262