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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 517 (Engine Controls And Fuel - 3.6L (LLT) - DTC P0010 To DTC P0336) >> Diagnostic Information and Procedures >> DTC P018B-P018D: Fuel Pressure Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine running.
  2. Verify the scan tool Fuel Pressure Sensor parameter is between 0.2-4.8 V.
    • If not between 0.2-4.8 V 

      Refer to Circuit/System Testing.

    • If between 0.2-4.8 V 
  3. Verify the scan tool Fuel Pressure Sensor increases or decreases when commanding an increase and decrease in fuel pressure with a scan tool.
    • If the parameter does not change 

      Refer to Circuit/System Testing.

    • If the parameter changes 
  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 the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  6. All OK.
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