Fault codes › P0045
P0045
Turbocharger/Supercharger Boost Control A Circuit/Open
Generic code
Injector Circuit
High severity
Hard repair
Free on OBD DashX
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iWhat P0045 means
- The P0045 fault code indicates that there is an issue with the boost control circuit for the turbocharger or supercharger.
!Possible symptoms
- Reduced engine power and acceleration
- Poor fuel economy
- Illumination of the check engine light
- Engine stalling or rough idle
- Loud whistling noise from the turbo or supercharger.
?Possible causes
- Failed boost pressure sensor
- Faulty boost control solenoid valve
- Short or open circuit in the boost control wiring
- Low or high boost pressure
- Clogged or damaged turbo or supercharger
- Possible
⚙Related parts
- Turbocharger/Supercharger: Turbocharger compresses in more air into the engine, hence producing more power output. Problem leads to power loss
✓Possible solutions
- Replace faulty boost pressure sensor
- Replace faulty boost control solenoid valve
- Check and repair any short or open circuit in the boost control wiring
- Check and adjust the boost pressure to the correct level
- Check and clean or replace a clogged or damaged turbo or supercharger