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Library Home Page > 1st Generation (1983 to 1993) > Electrical
Testing The Pressure Sensor
  Author: Neil86
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Q: How do you check the function of the pressure sensor to be sure the ignition timing is being advanced?



A: First test to see it will hold vacuum. The pressure sensor is prone to developing vacuum leaks. If it will hold vacuum , then to check pressure sensor... with 12 V supply to sensor and atmospheric pressure, the sensor should have ~ 2.0 V output. Application of vacuum or pressure should cause the voltage to vary according to the attached graph. 

Neil




 

Last update: 10:13 AM Sunday, September 3, 2006

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