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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P1428 Or P142A: EGR Temperature Sensor 1-2 - Intake Air Temperature 2 Not Plausible >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the harness connector at the appropriate B130 Exhaust Gas Recirculation Temperature Sensor.
    2. NOTE:

    The J 25070  may be used to evaluate the sensor under high temperature conditions.

  2. Verify the resistance between the signal circuit terminal 1 and the low reference circuit terminal 2 is within the range specified in the Temperature Versus Resistance - Engine Coolant Temperature Sensor Table.
    • If not within the range specified 

      Replace the appropriate B130 Exhaust Gas Recirculation Temperature Sensor.

    • Go to next step: If within the range specified 
  3. Test for infinite resistance between each terminal and the sensor housing/case.
    • If less than infinite resistance 

      Replace the appropriate B130 Exhaust Gas Recirculation Temperature Sensor.

    • Go to next step: If infinite resistance 
  4. All OK
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