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Routing vaccuum line

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Old Oct 18, 2025 | 10:22 AM
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Default Routing vaccuum line

Hello, can someone help me a little please. ?
I am working on my Jeep cherokee 4.0 from 1993. I am finishing the montage of my manifolds and I have a vaccuum line left. Can someone tell me where it is supoosed to go? It comes from a little device with green connector on the firewall. See pics. Any help would be appreciated!


Last edited by dutchblues; Oct 18, 2025 at 10:25 AM.
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Old Oct 18, 2025 | 03:31 PM
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Year: 1988
Model: Cherokee (XJ)
Engine: 4.0L
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That's your Manifold Air Pressure Sensor (MAP). The other end should attach to a vacuum port on the intake manifold.


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