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    1. · Registered
      DTS '06 Lux II - column shifter - sunroof
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      148 Posts
      In my case, the PO442 was a rusty section of EVAP line which eventually broke. I cut away the rust with a tubing cutter and connected a length of submersible fuel line ( Gates 3/8 SAE J30R10 ). Error code gone.

      Note: I had to do the same for the fuel line, a few years back. It’s not concours material but it does the job.
       
    2. · Registered
      2010 DTS Premium 2010 Escalade EXT
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      692 Posts
      Discussion Starter · #10 ·
      In my case, the PO442 was a rusty section of EVAP line which eventually broke. I cut away the rust with a tubing cutter and connected a length of submersible fuel line ( Gates 3/8 SAE J30R10 ). Error code gone.

      Note: I had to do the same for the fuel line, a few years back. It’s not concours material but it does the job.
      Oh man, I feel your pain. Last year, I had to junk my wonderful '03 DeVille because it was rusted out like that. That's why I spent so much time looking for a replacement WITHOUT rust. Finally found one in Arizona. Salted roads are just a killer on these cars.

      Here's a pic I just snapped of my EVAP canister and lines, they are like brandie new. So I don't think I have EVAP line leak, but hey, you never know! ;) The whole undercarriage is rust-free like this.
       

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