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Old Dec 31, 2009 | 04:48 PM
  #21  
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The sensor in the back of the manifold is the MAP sensor. Be sure you carefully reconnect the wiring properly before you try starting this.
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Old Dec 31, 2009 | 04:56 PM
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okay. what does the map sensor actually do?
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Old Dec 31, 2009 | 05:39 PM
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I believe MAP is an accronym for Manifold Absolute Pressure, so by the sound of it, it must monitor the ammount of air pressure inside the intake. Someone please correct me if I'm wrong.
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Old Jan 1, 2010 | 10:46 AM
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Wow, you should have looked up a removal and install thread, Get the shop vac on that too.
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Old Jan 1, 2010 | 11:28 AM
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Originally Posted by ls1curt
okay. what does the map sensor actually do?
It makes yer engine run ok LOL just be sure and hook it back up...it moniters the engine vaccum and the computer uses this info. You didn't unplug the sensor so as you pulled the manifold it tore the wiring off. Honestly YOU need real help when you tackle a big job like this. I can tell your next few posts are going to be painful ones.
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Old Jan 1, 2010 | 12:27 PM
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lol yeah i know i shoulda looked into some write-ups before. when i was doing it, its was about 15 degrees out and i was in a rush so i wasnt really checking behind it. i just gotta figure out the order of the wires as they go into the map sensor plug and get a new oil pressure sending unit and i should be good.
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