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Home >> BMW >> 2017 >> 320i xDrive >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N20 & N26) >> Fault Code Tests >> DTC P12A4: BMW DTC 104302; DME -- Manifold Absolute Pressure Sensor 'A' After Running Diagnosis Pressure Too Low >> Action in service

Action in service

Perform system test.

Check the air duct between turbocharger and intake plenum.

Check lines and plug connections between the following components:

Replace intake-manifold pressure sensor.