map sensor


Old 03-06-02, 03:53 PM
Matt Barcellona
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map sensor

On my sisters 87 Sedan DEVille there is a unattached vacuum tube coming out of the throttle body.On the diagram it shows it going to the map.Where is it and what does it look like?
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Old 03-06-02, 04:55 PM
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Under your hood will be an emission diagram which will show all of the emission controls and their approximate locations.

Many GM's have the MAP sensor (typically a rectangular box with a three pin plug) on the firewall or on a bracket on the engine.

Again, the emission diagram will help you... use it

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