OBD Guide
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P0105

Manifold Absolute Pressure/Barometric Pressure Sensor Circuit

P0105 is an OBD-II diagnostic trouble code meaning: Manifold Absolute Pressure/Barometric Pressure Sensor Circuit. Common causes: map sensor malfunction, damaged or corroded sensor connector. Estimated repair cost: $6–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–89 (est.)

Symptoms

  • Unstable engine idling
  • Loss of engine power
  • Increased fuel consumption
  • Black smoke from the exhaust pipe
  • Difficulty starting the engine
  • Check Engine Light Is On
  • Dips during acceleration
  • The engine may stall

Causes

  • MAP sensor malfunction
  • Damaged or corroded sensor connector
  • Open or short circuit in sensor wiring
  • Clogged or damaged vacuum hose to the sensor
  • Engine ECU malfunction
  • Bad sensor ground
  • Sensor contamination with oil or carbon deposits

How to Fix

  1. Connect the OBD-II scanner and read the error codes
  2. Check the condition of the MAP sensor connector for corrosion and damage.
  3. Check the sensor vacuum hose for cracks or blockages.
  4. Measure the sensor supply voltage (should be about 5V)
  5. Check the resistance and integrity of the sensor wiring
  6. Check the operation of the sensor with a multimeter or oscilloscope
  7. Replace MAP sensor if necessary
  8. Clear error memory and test drive
  9. Make sure no error is returned

Related codes

P0106P0107P0108P0109P0171P0174

Error P0105 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0105 code mean?

P0105 is an OBD-II diagnostic trouble code that indicates: Manifold Absolute Pressure/Barometric Pressure Sensor Circuit

What causes a P0105 error code?

The most common causes of P0105 include: MAP sensor malfunction; Damaged or corroded sensor connector; Open or short circuit in sensor wiring; Clogged or damaged vacuum hose to the sensor.

How do I fix a P0105 diagnostic trouble code?

To fix P0105: Connect the OBD-II scanner and read the error codes. Check the condition of the MAP sensor connector for corrosion and damage.. Check the sensor vacuum hose for cracks or blockages.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0105?

Limited driving only, diagnose soon

How much does it cost to fix P0105?

The estimated repair cost for P0105 is $6–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat