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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls/Fuel - 1.8L - DTC Diagnostics, Troubleshooting & Diagnosis) >> Diagnostic Information and Procedures >> DTC P0451-P0454 >> Circuit/System Verification

Circuit/System Verification

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  1. Remove the fuel cap.
  2. Ignition ON, engine OFF.
  3. Verify the scan tool FTP sensor parameter is between 1.3 and 1.7 V.
    • If not between 1.3-1.7 V 

      Refer to Circuit/System Testing below.

    • If between 1.3-1.7 V 
  4. All OK.