Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 57Get this manual

Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 57

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Manifold Absolute Pressure (MAP) Sensor The map sensor is mounted between the cylinder headsA vacuum hose connects the map sensor to the intake manifoldThe ECM regulates fuel flow, in part, based on m