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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0010-DTC P0459) >> Diagnostic Information and Procedures >> DTC P018B-P018D >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON.
  2. Verify DTC U0074 or U18A2 is not set or stored in history.
    • Go to next step: If DTC U0074 or U18A2 is not set or stored in history 
  3. Engine running.
  4. Verify the scan tool Fuel Pressure Sensor voltage parameter is between 0.2 - 4.8 V.
    • If not between 0.2 - 4.8 V 

      Refer to Circuit/System Testing.

    • Go to next step: If between 0.2 - 4.8 V 
  5. All OK.
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