P1538 OBD Code Definition:
P1538 Intake Manifold Runner Control Stuck Open
P1538 OBD Code Description:

Possible Causes

  • Fuel Shutoff Solenoid  Faulty
  • Wiring to / from Fuel Shutoff Solenoid  Faulty
  • Engine Control Module Faulty

Possible Solutions

  • Check Fuel Shutoff Solenoid using Output Tests
  • Check wiring to/from Fuel Shutoff Solenoid


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