DTC P1128 Acura
Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected
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 and Solution
Dirty air cleaner element
Poor connections or loose terminals at the MAP sensor and the PCM
Video Guide
Diagnostic Info
- DTC Code: P1128
- Brand: Acura