Free API
P0109moderate severityPowertrain

MAP/BARO Pressure Circuit Intermittent

on 2015 Kia Forte 1.8L I4 · FWD

What this code means

The MAP sensor signal is showing intermittent readings.

Symptoms

  • Check Engine Light (intermittent)
  • Erratic idle
  • Stumble on acceleration

Common causes

  • Loose connector
  • Damaged wiring
  • Intermittent vacuum leak

Diagnostic steps

  1. Wiggle test on connector
  2. Monitor MAP signal
  3. Check vacuum hose

Repair notes

Repair connector or wiring.

Other Powertrain codes on this vehicle

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