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-   -   Smog test failed because of Fault code P0452 (https://www.askmehelpdesk.com/showthread.php?t=650324)

  • Apr 11, 2012, 10:59 PM
    ladycmar52
    Smog test failed because of Fault code P0452
    I have a Chevy 1999 suburban that failed smog test fault codes or P0452 and the service engine light is on... I live in California and would like to know what should I do?
  • Apr 12, 2012, 05:54 AM
    CaptainRich
    P0452 Fuel Tank Pressure Sensor Ckt Low Voltage
    You'll need to determine if the problem is the power source or the tank sensor itself. Do you have a quality digital volt meter and any sort of scan tool available?

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