P2A0D

Manifold Absolute Pressure Sensor B Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Unstable idling
Difficulty starting the engine
Check Engine Light Illuminates

Causes

MAP B sensor malfunction
Open or short circuit in the sensor circuit
Wiring Harness Problems
Contact corrosion
ECU malfunction

How to Fix

Checking the continuity of the sensor circuit
Inspect contacts for corrosion
Testing the MAP B sensor with a multimeter
Replace the sensor if necessary
Checking ECU firmware updates

Related codes

P2A0C P2A0E P0105