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Home  /   Diagnosing: Manifold Absolute Pressure (MAP) Sensor

Diagnosing: Manifold Absolute Pressure (MAP) Sensor

Henan Partner Auto Service Co., Ltd.

SHOP MANIFOLD ABSOLUTE PRESSURE (MAP) SENSORS

What does a Manifold Absolute Pressure (MAP) Sensor do?

The MAP sensor converts engine vacuum or manifold pressure to an electrical signal so the powertrain control module (PCM) knows how much load the engine is under. This data is the basis for fuel delivery and timing control.

Will a malfunctioning Manifold Absolute Pressure (MAP) Sensor affect vehicle operation?

Yes, a failing sensor can illuminate the check engine light or malfunction indicator lamp, and may cause the engine to have a rich or lean fuel mixture condition which will commonly affect engine performance.

What are the common causes of Manifold Absolute Pressure (MAP) Sensor failure?

Typically these sensors fail due to moisture entering the sensor when the engine is off and due to normal wear of the sensor element.

How to determine if the Manifold Absolute Pressure (MAP) Sensor is malfunctioning?

The Diagnostic Monitor tests for voltages outside of the normal range. The powertrain control module (PCM) also compares actual MAP output to calculated values to determine sensor performance deterioration. The calculated values are based on throttle position and various engine load factors.

Advantages of using a PARTNER Manifold Absolute Pressure (MAP) Sensor Replacement Unit are:

1.Complete control of the manufacturing process from componentry to finished product to ensure long-life.

2.Engineered to OE specifications and fitment to ensure a precise PCM signal and easy installation.

3.PARTNER MAP sensors are backed by a 3 year/36,000 mile warranty.

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