Engine Error
P0235
Turbo/Supercharger Boost Sensor A Circuit
Severity
High
Symptoms
Lack of engine power, turbo lag, limp mode
Common Causes
- Dirty boost pressure sensor
- Boost leak in intercooler piping
- Clogged air filter
- Damaged sensor wiring
How to Fix
- 1 Clean or replace boost sensor
- 2 Smoke test and fix boost leaks
- 3 Replace engine air filter
- 4 Repair wiring harness
Estimated Repair Cost
USD
$30
–
$300
Air filter: 30; Boost sensor: 100 - 200