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Test procedure for MAP sensor?

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Old 04-16-2014, 10:18 PM
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Default Test procedure for MAP sensor?
anyone know how to test the map sensor?
 
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Old 04-17-2014, 12:34 AM
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you can use a hand vacuum pump and a voltmeter. Black wire to ground, red to signal wire, not sure, but think it's the middle one. As vacuum increases voltage should decrease from 5 to around 1 volt. Are you getting a code for the map?
 
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