Engine Error
P0242
Turbo/Supercharger Boost Sensor B Circuit High
Severity
High
Symptoms
Harsh engine cut-off under heavy acceleration, overboost
Common Causes
- Stuck closed wastegate
- Short to voltage in boost sensor B wiring
- Faulty boost control solenoid
- Defective boost sensor
How to Fix
- 1 Free up or replace wastegate actuator
- 2 Repair wiring short
- 3 Replace boost control solenoid
- 4 Replace boost sensor
Estimated Repair Cost
USD
$100
–
$600
Boost solenoid: 100 - 250