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Sensor Troubleshooting: Manifold Absolute Pressure

By: · August 17, 2009

We provided an overview of Check Engine/Service Engine Soon “idiot light” warnings and how to decipher their corresponding trouble codes in the IAT/MAT sensor story elsewhere on this site. Another engine monitor that can be checked and replaced by virtually anyone who has basic hand tools, a scanner to retrieve engine trouble codes, a service manual for their vehicle and a digital voltmeter is the MAP (Manifold Absolute Pressure) sensor…


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