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Diagnose/P0105
P0105Medium SeverityFuel System

MAP/Barometric Pressure Circuit Malfunction

What This Means

The Manifold Absolute Pressure (MAP) sensor circuit has a malfunction preventing normal operation. The MAP sensor helps the engine computer determine engine load and adjust fuel delivery accordingly.

Common Symptoms

  • Rough idle
  • Stalling
  • Poor fuel economy
  • Lack of power

Common Causes

  • Faulty MAP sensor
  • Vacuum hose leak or disconnection
  • Clogged vacuum port
  • Wiring issue to MAP sensor
  • Intake manifold gasket leak

Estimated Repair Cost

$75 – $350
Parts and labor (varies by vehicle and location)
Difficulty:Easy

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.