P1105 – MAP/BARO Switch Solenoid Valve (Nissan)

Description

The ECM detected a malfunction in the MAP/BARO switch solenoid valve affecting air pressure readings.

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Symptoms

  • Poor acceleration
  • Rough idle
  • Hesitation
  • Reduced fuel economy
  • Check engine light

Causes

  • Faulty MAP/BARO solenoid
  • Vacuum leak
  • Damaged wiring
  • Connector corrosion
  • ECM driver fault

Diagnosis

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

Repair

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

Related Problems

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