P1129 1998 HONDA CIVIC - Manifold Absolute Pressure Sensor Circuit Higher Than Expected
P1129 1998 HONDA CIVIC 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 1998 HONDA CIVIC?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 1998 HONDA CIVIC code
Labor: 1.0The cost of diagnosing the P1129 1998 HONDA CIVIC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine hard to start
- Rough or erratic idle speed
P1129 1998 HONDA CIVIC DescriptionThe 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.
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