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Thread: E67 ECM Lambda

  1. #1
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    Default E67 ECM Lambda

    Does anyone no if the GM E67 ECM and run package will run 4 x lambda,i have it hooked up to a stock LS7 with 2 x lambda and need to try and get through a Euro 4 test with 4.

  2. #2

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    What are you talking about?

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  3. #3
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    Default E67

    Quote Originally Posted by Redline Motorsports View Post
    What are you talking about?
    Euro 4 is a strict emmission test and is explained on wicki,I was hoping so to find out if the E67 ECM is capable of running all the systems for the test

  4. #4
    Joe (Moderator) joecar's Avatar
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    Are you talking about pre-cat and post cat O2 sensors on each bank...?

  5. #5
    Joe (Moderator) joecar's Avatar
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    I googled it and wiki has an article: http://en.wikipedia.org/wiki/Europea...sion_standards

    so according to the table in the wiki, Euro 4 is a standard for the level of emissions...

    if you tune the ECM correctly and rub closed loop you can achieve CO/NO/HC levels much lower than shown in that table for Euro 4...

    i.e. from what I see/understand, the level of emissions is purely a function of the tune and how well it runs in CL.

  6. #6
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    Quote Originally Posted by joecar View Post
    Are you talking about pre-cat and post cat O2 sensors on each bank...?
    Joecar correct 02 sensors before and after the cat on each bank,so the test includes checking all 4 working correctly,even is the emmisions are reading low the circuits have to test correctly ultimately can the E67 run do any of this

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