P00D8

Turbocharger/Supercharger Bypass Valve B Temperature Too High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced engine power
Unstable idling
Increased fuel consumption
Check Engine Light Illuminates

Causes

Bypass valve malfunction
Problems with wiring or contacts
Blockage or leaks in the boost system
Valve temperature sensor malfunction

How to Fix

Check the condition of the bypass valve for mechanical damage
Diagnose the electrical circuit of the valve (resistance, voltage)
Check the tightness of the charging system
Replace faulty valve or sensor if necessary

Related codes

P00D7 P00D9 P0299