P0049
Turbocharger/Supercharger Turbine Overspeed
Generic code
Injector Circuit
High severity
Hard repair
Free on OBD DashX
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What P0049 means
- The fault code P0049 indicates that there is an issue with the turbocharger or supercharger turbine overspeed. The engine control module detects an excessive RPM speed in the turbocharger or supercharger turbine.
Possible symptoms
- Illuminated check engine light
- Decreased engine power or acceleration
- Engine surging or hesitation
- Engine knocking noise
- Smoke from the exhaust system
- Reduced fuel efficiency
Possible causes
- Malfunctioning turbocharger or supercharger
- Faulty wastegate
- Clogged air filter
- Restricted exhaust system
- Damaged or corroded wiring
- Failed engine control module (ECM)
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 the malfunctioning turbocharger or supercharger
- Check and repair any damaged or corroded wiring
- Replace the wastegate if necessary
- Replace the clogged air filter
- Repair or replace the restricted exhaust system
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0049 on OBD DashX
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