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Home >> GMC >> 1987 >> Forward Control 5.7 M, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - TBI >> Removal & Installation >> Manifold Absolute Pressure (Map) Sensor
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Manifold Absolute Pressure (Map) Sensor

  1. Locate MAP sensor on air cleaner or bracket next to throttle body. Disconnect vacuum tube and wiring from MAP sensor. On bracket mounted MAP sensors, remove screws and sensor.
  2. On air cleaner mounted MAP sensors, remove air cleaner cover and MAP sensor bracket retaining clip. Remove MAP sensor from bracket. To install, reverse removal procedure.