P0045 ISUZU - Turbocharger Boost Control Solenoid Control Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty turbocharger nozzle control actuator
  • Turbocharger boost control solenoid control harness is open or shorted
  • Turbocharger boost control solenoid control circuit poor electrical connection
  • Charging system malfunction

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0045 Isuzu Description

The turbocharger has nozzle vane which opens and closes to control the volume of the exhaust gas flowing into the turbine. This, in turn, controls the boost pressure, when the nozzle vane moves towards the closing direction, the pressure increases. When the vane moves towards the opening direction, the pressure decreases.
OBDII Code P0045 Isuzu - Turbocharger Boost Control Solenoid Control Circuit - Engine-Codes.com

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