What does the map sensor in a 1997 Chevrolet Lumina do?

  • Thread starter Thread starter dragon1n68
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dragon1n68

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I went to AutoZone and they said that I have a misfire on cylinder 5 and I need a new map sensor. I need to know how to fix this.
 
Manifold pressure, its one of the sensors that sends info to the computer to make calculations

its a simple swap if its bad
 
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