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2020 PORSCHE 718 BOXSTER
2.0L Turbo H4•RWD•DCT•gas•MA2.20•turbo
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Repairs0Labor481Torque658Fluid7DTC1858Battery1Maintenance0Recalls0
P0105moderate severityPowertrain

Manifold Absolute Pressure/BARO Circuit

on 2020 Porsche 718 Boxster 2.0L Turbo H4 · RWD

What this code means

General malfunction in the MAP or barometric pressure sensor circuit.

Symptoms

  • Check Engine Light
  • Poor acceleration
  • Rough idle
  • Black smoke
  • Stalling

Common causes

  • Faulty MAP sensor
  • Vacuum hose disconnected or cracked
  • Wiring issue
  • PCM failure

Diagnostic steps

  1. Check MAP sensor vacuum hose
  2. Test MAP sensor voltage at key-on (should read barometric)
  3. Compare MAP to BARO reading
  4. Inspect wiring

Repair notes

Replace MAP sensor or repair vacuum connection.

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