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The first generation (KJ) Jeep Liberty, a compact 4-door SUV. Sold in both 2WD and 4WD configurations.

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Where is my MAP Sensor located and how do I get to it?

I'm looking for my MAP Sensor on My '02 Jeep Liberty 3.7L. How do I get to it and Remove it?

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1 Answer

Chosen Solution

Mariah Sklaney check at the front of the intake manifold

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3.7L

The Manifold Absolute Pressure (MAP) sensor is mounted into the front of the intake manifold (Fig.18). An o-ring is used to seal the sensor to the intake manifold (Fig. 19).

(1) Disconnect electrical connector at sensor.

(2) Clean area around MAP sensor.

(3) Remove 2 sensor mounting screws.

(4) Remove MAP sensor from intake manifold.

(5) Check condition of sensor o-ring (Fig. 19).

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INSTALLATION

The Manifold Absolute Pressure (MAP) sensor is mounted into the front of the intake manifold (Fig. 18). An o-ring is used to seal the sensor to the intake manifold (Fig. 19).

(1) Clean MAP sensor mounting hole at intake manifold.

(2) Check MAP sensor o-ring seal for cuts or tears.

(3) Position sensor into manifold.

(4) Install MAP sensor mounting bolts (screws). Tighten screws to 3 N·m (25 in. lbs.) torque.

(5) Connect electrical connector.

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Comments:

The part is extremely hard to get to. The sensor broke in half while trying to remove the housing to get to the Thermostat sensor. It’s as if you need a special size tool to remove the bolts. Any advice on how I can remove the old sensor?

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Hi Wendy. I replacement my MAP sensor and found that by removing the plastic box on top of the engine really helps. This will allow you to have better access to the part. I have seen a few posts about replacing the MAP sensor and NO ONE says to use a 7 mm socket or wrench! None of my one-quarter rachets would fit into the very small space to remove the left side 7 mm hex head screw. The RH side of the part, I removed with a 7 mm box wrench. I went to Autozone and found a "mini rachet" that is one quarter inch drive. The total length is 3.5 inches but the head of the rachet is only 5/8 in wide and only 1/2 thick. Got home and it just fit into the confined space and I was able to remove the bolt. I hope this helps somebody out there.......Hal from Bradner OH

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