P1106 – MAP/BARO Switch Solenoid Valve Range/Performance (Nissan)

Description

The ECM detected a MAP/BARO solenoid signal outside the expected range.

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Symptoms

  • Poor acceleration
  • Hesitation
  • Rough idle
  • Reduced power
  • Check engine light

Causes

  • Faulty solenoid
  • Vacuum leak
  • Dirty or low oil
  • Wiring issues
  • ECM signal error

Diagnosis

  • Test solenoid output
  • Inspect vacuum lines
  • Check wiring
  • Scan live data

Repair

  • Replace solenoid
  • Repair wiring
  • Fix vacuum leaks
  • Clean connectors

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