Engine Error
P0237
Turbocharger/Supercharger Boost Sensor A Circuit Low
Severity
High
Symptoms
Significant power loss, whistling noise, check engine light
Common Causes
- Short to ground in boost sensor circuit
- Failed MAP/Boost sensor
- Massive boost leak (blown off charge pipe)
- Faulty turbocharger wastegate
How to Fix
- 1 Repair shorted sensor wire
- 2 Replace boost sensor
- 3 Reattach and tighten intercooler pipes
- 4 Inspect and repair wastegate
Estimated Repair Cost
USD
$50
–
$800
Pipe reattachment: $50 - $100; Wastegate repair: $300 - $800