Engine-Codes - Honda - P1129 2010 HONDA ACCORD

P1129 2010 HONDA ACCORD - Manifold Absolute Pressure Sensor Circuit Higher Than Expected

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1129 2010 HONDA ACCORD Possible Causes

  • Faulty Manifold Absolute Pressure Sensor
  • Manifold Absolute Pressure Sensor harness is open or shorted
  • Manifold Absolute Pressure Sensor circuit poor electrical connection

How do I fix code P1129 2010 HONDA ACCORD?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P1129 2010 HONDA ACCORD code

Labor: 1.0

The cost of diagnosing the P1129 2010 HONDA ACCORD code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine hard to start
  • Rough or erratic idle speed

P1129 2010 HONDA ACCORD Meaning

The Manifold Αbsolute Pressure (MΑP) sensor generates a signal that is proportional to the amount of vacuum in the intake manifold. The signal is sent to the Engine Control Mudule (ECM) and the information is used to control the air/fuel mixture ratio. Faulty MΑP sensor can cuase the engine to stall, surge or a rough idle.

P1129 2010 HONDA ACCORD More Information

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