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Thread: Evap System shows not supported in Scanner.

  1. #1
    Potential Tuner
    Join Date
    Dec 2010
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    Evap System shows not supported in Scanner.

    Good morning everybody. Im working on my landcruiser with a LQ4 swap . Im trying to pass emission inspection and need the evap system to show complete. When I read it with the scanner it shows its not even supported. I plugged into my 06 Silverado sitting right next to it with a LQ4 as well and it shows up complete.

    Any ideas when it would show not supported. The PCM is set to a 03 Express Van if that helps but obviously they both have Evap. The ref said he wont pass me without it showing complete.
    Thanks for any help.
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  2. #2
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
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    Rogers, MN
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    Could be possible that the van chassis that the computer came from didn't need to meet that emissions requirement.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    Potential Tuner
    Join Date
    Dec 2010
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    That’s what I thought at first and asked the ref that. According to him his “ list “ of items it shows the donor vehicle came with is what is required to have. And Evap was in his list.

    I do appreciate the reply.

  4. #4
    Potential Tuner
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    Dec 2010
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    I thought I would add that the reason I'm using the express van file is I have a blue / green PCM and needed the drive by cable.