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Hello all... I have a 1987 Caprice Station Wagon with an Oldsmobile 307 and its throwing a code saying the barometric sensor is bad... Where is this sensor located? I briefly looked at the diagram underhood but didnt see initals "BPS" Thanks!
 

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It's the Manifold Absolute Pressure(MAP) sensor. On my other GM's of this era, it's located under the passengers side dash near the ECM.
 
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