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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 P1089: Fuel Rail Pressure Performance During Deceleration Fuel Cut-Off >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On, observe the DTC information with a scan tool. Verify there are no other DTCs set.
    • Go to next step: If a DTC is not set 
  2. Verify the proper fuel is used. Refer to Fastener Specifications and Contaminants-in-Fuel Diagnosis .
  3. Verify there are no aftermarket performance enhancing devices installed on the vehicle.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  5. Verify DTC P1089 does not set.
    • If DTC P1089 is set 

      Refer to Circuit/System Testing.

    • Go to next step: If DTC P1089 is not set 
  6. All OK.
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