Hyundai Coupes/Sedans 1986-1993 Repair Guide

EGR Temperature Sensor (California)

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TESTING



See Figure 1

  1. Remove the EGR temperature sensor from the EGR valve and place in a bucket of water with a thermometer.
  2.  



Click image to see an enlarged view

Fig. Fig. 1: EGR temperature sensor test-Fuel injected California vehicles

  1. Heat the water to 122°deg;F (50°deg;C) and measure the resistance across the sensor terminals. Resistance should be 60-83 ohms.
  2.  
  3. Raise the temperature of the water to 212°deg;F (100°deg;C) and measure the resistance again. Resistance should drop to 11-14 ohms.
  4.  
  5. Replace the EGR temperature sensor if defective.
  6.  

 
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