1999 "EE" Evinrude 70HP 4-Stroke Service Manual, P/N 787023, Page 95Get this manual

1999 "EE" Evinrude 70HP 4-Stroke Service Manual, P/N 787023, Page 95

Code 32 (MAP 2)No change in vacuum signal

1Monitor MAP values using OMC Diagnostic Software while varying throttle setting with engine in gearMAP values should change; if not, perform Steps and 3
2Check for disconnected, cracked, or deteriorated vacuum hoseLook for damaged or restricted pulse limiter in manifold, or cracked MAP sensor casing
3Remove hose from MAP sensorCover end of hose with engine idlingA strong vacuum should be present YESReplace MAP sensor
NOReplace hose or MAP sensor pulse limiter
Cylinder and Air Temperature Sensors
The Cylinder and Intake Air Temperature sensors are both therm istorsTheir resistance value will change with temperature They can be checked two ways
Testing With OMC Diagnostic Software

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