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Home >> Chevrolet >> 2020 >> Camaro SS, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 3.6L (LGX) - Diagnostic Information And Procedures (P0010 - P0455)) >> Diagnostic Information and Procedures >> DTC P0090-P0092, P00C8, P00C9, P00CA, or P163A >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
    2. NOTE:

    This test can only be performed once per ignition cycle. To run the test again, turn the ignition/vehicle Off, allow the engine control module to shut down completely, and then turn the ignition/vehicle back On.

  2. Perform the scan tool control function: Fuel Pressure Regulator - On and Off

    Verify the scan tool parameter:

    • Fuel Pressure Regulator Control Circuit High Voltage Test Status = OK or Not Run
    • Fuel Pressure Regulator Control Circuit Open Test Status = OK or Not Run
    • Fuel Pressure Regulator Control Circuit Low Voltage Test Status = OK or Not Run
    • Fuel Pressure Regulator High Control Circuit High Voltage Test Status = OK or Not Run
    • Fuel Pressure Regulator High Control Circuit Open Test Status = OK or Not Run
    • Fuel Pressure Regulator High Control Circuit Low Voltage Test Status = OK or Not Run
    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  3. 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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC does not set 
  4. All OK.
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