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Thread: Newbie... Need Help

  1. #1

    Newbie... Need Help

    2016 6.0L engine with standalone E38 computer from 2008 4.8L trying to run speed density... VATS disabled with DTCs disabled too... Engine will start, run for 3-4 seconds and shut off. I'm at the end of my limited knowledge. Any help would be greatly appreciated.

    2008 E38 4.8L - 6.0L.hpt

  2. #2
    Tuning Addict 5FDP's Avatar
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    May 2012
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    MAF dtc's need to be set to MIL on first error, not no error reported.

    Are you using the 2016 MAP sensor? If so, those MAP values are likely different than the 2008 4.8 computer settings.

    Did you keep or delete the VVT on the 6.0?

    If you still have VVT, you will want to wire that up and enable it in the computer so it knows.
    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
    I'm using the 2008 MAP sensor and the VVT is deleted. I actually got it running but badly. It's running incredibly lean and won't stay running until the O2 sensors kick in. Can I use the Coefficients for the VVE table from a stock 6.0L?

  4. #4
    Here's a log file of the run if it helps200117 Run #6.hpl

  5. #5
    Tuner
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    Feb 2017
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    A quick and dirty way to get you going would be to increase the fuel in the map until its rich and/or running. Then you can dial it down.