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Test Description

The number(s) below refer to step(s) on diagnostic table.

  1. 2. Applying 34 kPa (10 inches Hg) of vacuum to MAP sensor should cause voltage to change. Subtract second voltage reading from first. That voltage value should be more than 1.5 volts. When applying vacuum to MAP sensor, change in voltage should happen instantly. A slow voltage change indicates a faulty MAP sensor.
  2. 3. Disconnect MAP sensor from bracket and twist MAP sensor. Output changes more than 0.1 volt indicate a faulty connector or connection.
Fig 1: Manifold Absolute Pressure Check
G00038386Courtesy of DAEWOO
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