Acura P1129: Manifold Absolute Pressure (MAP) Sensor Signal Higher Than Expected
Is your scanner showing Acura P1129?
No worries. We'll show you what it means and how to deal with it.
Acura P1129: Manifold Absolute Pressure (MAP) Sensor Signal Higher Than Expected
OVERVIEWWhat Does The Acura P1129 Code Mean?
The MAP sensor output is 36 kPa (10.9 in. Hg, 277 mmHg) or more for at least 2 seconds. The execution time is once per driving cycle.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
What Are The Potential Causes Of The Acura P1129 Code?
- Vacuum leaks
- Poor connections or loose terminals at the MAP sensor and the PCM
- Faulty MAP sensor
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2001 Engine Performance Acura Self-Diagnostics, MDX, 3.2CL & 3.2TL, page 35.
