FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Turbocharger Wastegate Actuator Malfunction

FAULT ID
P1103

TITLE
Turbocharger Wastegate Actuator Malfunction

BACKGROUND
- The engine control module always monitors the intake air amount to check if the engine is in an overboost condition.
- When the engine control module judges that the engine is in an overboost condition, it cuts off the fuel supply to protect the engine.

RANGE OF CHECK/SET CONDITIONS
- A condition where the fuel supply is to be shut off is detected.

PROBABLE CAUSES
- Turbocharger wastegate actuator failed.
- Boost pressure control system failed.
- Engine control module failed.