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Acura DTC

Acura DTC P1128

Manufacture

Acura DTC

Code

P1128

Definition

Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected

Description

The MAP sensor output is 33 kPa (9.8 in. Hg, 249 mmHg) or less for at least 2 seconds when atmospheric pressure is 52 kPa (15.4 in. Hg, 392 mmHg). The execution time is once per driving cycle. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Dirty air cleaner elementPoor connections or loose terminals at the MAP sensor and the PCMFaulty MAP sensor

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