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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 2.0L (LTG) - Diagnostic Information And Procedures (P0010 - P0333)) >> Diagnostic Information And Procedures >> DTC P0089, P00C6, P228C Or P228D: Fuel Pressure Regulator >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the harness connector at the G18 High Pressure Fuel Pump.
    2. NOTE:

    The DMM and test leads must be calibrated to 0 Ω in order to prevent misdiagnosis.

  2. Test for 0.3 - 0.7 Ω at 20°C (68°F) between the high control circuit terminal 1 and the low control circuit terminal 2.
    • If not between 0.3 - 0.7 Ω 

      Replace the G18 High Pressure Fuel Pump.

    • Go to next step: If between 0.3 - 0.7 Ω 
  3. Test for infinite resistance between each terminal and the G18 High Pressure Fuel Pump housing.
    • If less than infinite resistance 

      Replace the G18 High Pressure Fuel Pump.

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