P0234
P0234Boost Pressure Control Limit Exceeded - Above Limit
Diagnosis conditions
- Battery positive voltage between 10 V and 16 V
- Engine speed between 1,800 rpm and 6,500 rpm
- Acceleration with wide-open throttle in third gear without gear- shift
Possible fault cause
- Leak ahead of throttle (less than 4 mm)
- Boost pressure control solenoid mechanically faulty
- Bypass valve (waste gate) faulty
Affected terminals
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Diagnosis/troubleshooting