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-   -   P0452 evaporative emission control system pressure sensor 2002 express 3500 (https://www.askmehelpdesk.com/showthread.php?t=481617)

  • Jun 21, 2010, 11:22 AM
    wheezerdog1
    p0452 evaporative emission control system pressure sensor 2002 express 3500
    I have a 2002 express 3500 cargo van with 160k miles. The code reader keeps giving a po452. I recently changed the fuel pump about 5k miles ago. I have just changed the EGR valve and air filter. Any suggestions?

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