P0107 – MAP Sensor Low Input

Description

The ECM detects a low voltage signal from the MAP sensor.

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Symptoms

  • Poor acceleration
  • Hard start
  • Rough idle

Causes

  • Short to ground
  • Faulty MAP sensor
  • Vacuum leak

Diagnosis

  • Monitor MAP voltage
  • Inspect wiring
  • Check vacuum

Repair

  • Repair wiring
  • Replace MAP sensor
  • Fix leaks

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