Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 82Get this manual

Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 82

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IGNITION
Air Temperature Sensor
The air temperature sensor is mounted on top of the air plenumThe ECM regulates fuel flow, in part, based on manifold air temperatureAs air temperature incr