P25B3
Turbocharger/Supercharger Wastegate A Stuck Open
P25B3 is an OBD-II diagnostic trouble code meaning: Turbocharger/Supercharger Wastegate A Stuck Open. Common causes: mechanical jamming of the bypass valve, vacuum valve actuator malfunction. Estimated repair cost: $33–167.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
- Unusual noises from the turbocharger
- Delayed response to pressing the gas pedal
Causes
- Mechanical jamming of the bypass valve
- Vacuum valve actuator malfunction
- Damaged or clogged vacuum tubes
- Problems with the control solenoid valve
- Corrosion or wear of valve components
How to Fix
- Check the mechanical operation of the bypass valve
- Inspect vacuum tubes and connections for damage
- Check the operation of the vacuum drive
- Diagnose the control solenoid valve
- If necessary, replace the bypass valve
Related codes
Error P25B3 by Vehicle Brand
FAQ
What does the P25B3 code mean?
P25B3 is an OBD-II diagnostic trouble code that indicates: Turbocharger/Supercharger Wastegate A Stuck Open
What causes a P25B3 error code?
The most common causes of P25B3 include: Mechanical jamming of the bypass valve; Vacuum valve actuator malfunction; Damaged or clogged vacuum tubes; Problems with the control solenoid valve.
How do I fix a P25B3 diagnostic trouble code?
To fix P25B3: Check the mechanical operation of the bypass valve. Inspect vacuum tubes and connections for damage. Check the operation of the vacuum drive. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P25B3?
Limited driving only, diagnose soon
How much does it cost to fix P25B3?
The estimated repair cost for P25B3 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat