Code result

P0108

Manifold Absolute Pressure/Barometric Pressure Circuit High Input

Moderate severity

What it means

The MAP sensor reports a pressure above the upper threshold the ECU expects in any engine state. Typically caused by a short in the signal circuit or a sensor that has failed producing a fixed high output.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Signal wire shorted to supply voltage

    high

    One of the most commonly reported causes for this code — check this first.

  • MAP sensor failed

    medium

    A plausible cause — test and verify before replacing parts.

  • Sensor ground broken

    low

    Less common, but worth ruling out after the more likely causes.

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