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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Engine Controls - System/Component Tests - 3.0L) >> Engine Sensors & Switches >> Manifold Absolute Pressure (Map) Sensor

Manifold Absolute Pressure (Map) Sensor

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
  1. MAP sensor is located on generator bracket.
  2. Inspect rubber connection to sensor, and repair as needed.
    NOTE: MAP sensor test must be performed with wiring connector connected.
  3. Measure MAP sensor output voltage at connector center terminal. With ignition switch in ON position (KOEO), output voltage should be 4.0-5.0 volts. With engine running, sensor output voltage should be 1.5-2.1 volts. Replace MAP sensor if voltage is not as specified.
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