P1287
Turbocharger Bypass Valve Open
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–133 (est.)
Symptoms
- Reduced engine power
- Increased fuel consumption
- Slow acceleration
- Noisy turbine operation
- Check Engine Light Is On
Causes
- Turbine bypass valve malfunction
- Open or short circuit in valve control circuit
- Vacuum valve actuator problems
- Valve mechanism is dirty or jammed
- Boost pressure sensor malfunction
How to Fix
- Check the condition of the bypass valve and its mechanism
- Check the integrity of the valve control electrical circuit
- Check vacuum system operation (if applicable)
- Clean or replace a stuck valve
- Check the operation of the boost pressure sensor