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  1. Replies
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    Looks like the computer you have was probably...

    Looks like the computer you have was probably tuned with EFI Live first because that is modded/upgraded operating system already.

    Segment swaps work with factory OS's.

    Somebody with other...
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    Re-poll for supported parameters while connected...

    Re-poll for supported parameters while connected to the vehicle, that should bring back all the other channels.

    Post your tune that you have right now.

    List the rest of the information about...
  3. Nope. You should only have to pick which computer...

    Nope. You should only have to pick which computer you want to write too, so either PCM or TCM and click the write button once. It should finish and then you can click close in the bottom right corner.
  4. Just uncheck the SES box for the MAF codes. It...

    Just uncheck the SES box for the MAF codes.

    It honestly looks like nothing was touched for fueling. If you took a stock files VE table and compared it to your current VE table all you would notice...
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    File is tuner locked.

    File is tuner locked.
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    Lower the shift mph a few to see if that works. ...

    Lower the shift mph a few to see if that works.

    Because you have the part throttle 100% for 2nd gear at 62mph and the full throttle shift speed table at 58mph. Those should have matching values....
  7. Thread: Engine swap

    by 5FDP
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    A GM tool must flash the computer first with a V8...

    A GM tool must flash the computer first with a V8 operating system. You'd need a VIN number from a V8 truck too.
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    Your intake air temp sensor is not working. You...

    Your intake air temp sensor is not working. You are fighting an engine that wants to add in more fuel because it thinks it's in the middle of the north pole.

    Most people will set the MAF fail high...
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    I just noticed you already have a thread about...

    I just noticed you already have a thread about this or very similar. Lots of information already in there.

    Poke around the tune file and you'll start to see where stuff is. Having two threads with...
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    Yeah. You could tune hundreds of different...

    Yeah.

    You could tune hundreds of different cars with your MPVI2.
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    If you are going to use a wideband to tune it,...

    If you are going to use a wideband to tune it, yes you'd need to turn off the short term fuel trims, long term fuel trims and closed loop.

    I don't have your file so I don't know the exact labels...
  12. It's not that it's common but I've seen it many...

    It's not that it's common but I've seen it many times before so my hunch was pretty good haha.

    Glad it worked.
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    A dyno would be the tool to use to determine what...

    A dyno would be the tool to use to determine what timing and fueling make the best power.

    Obviously 95% of us do not have that option. So playing a game is all we can do and more often than not...
  14. I wanna bet $5 that you did a full read, all of...

    I wanna bet $5 that you did a full read, all of that includes the PCM, TCM and the FSCM. The fuel pump control module costs 1 extra credit, thus it asks you to license it again.

    Go to the vehicle...
  15. Going off memory here. Find the airflow tab on...

    Going off memory here.

    Find the airflow tab on the engine side of the tune. There should be another tab labeled variable camshaft. In that tab on the far left is a table just labled "Camshaft". It...
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    In your logs you should be able to change your...

    In your logs you should be able to change your wideband data to read in Lambda. Then you can create a Lambda error graph that plots the difference between the commanded Lambda and Actual Lambda in...
  17. If you just replaced it with a stock camshaft and...

    If you just replaced it with a stock camshaft and removed those items, it's only a few changes need to be made.

    If the camshaft is aftermarket and larger than stock, nobody will be able to give...
  18. Thread: Cant write tune

    by 5FDP
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    Did you license the file on the original computer...

    Did you license the file on the original computer first?

    It takes several credits to do what you are trying to do, normally it's not suggested.
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    Credit information is on the HP Tuners website,...

    Credit information is on the HP Tuners website, so there should never be an confusion on how much stuff costs.

    https://www.hptuners.com/vehicles/

    A 2003 corvette is 2 credits for a single...
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    Change your wideband to read in Lambda, don't...

    Change your wideband to read in Lambda, don't bother with AFR.

    If it commanded 1.00 at cruising speeds, that would you should be seeing on the wideband. If it commands .79 lambda at full throttle,...
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    The VE tables isn't looking so hot, way too many...

    The VE tables isn't looking so hot, way too many spikes and dips in there.

    I'd even lower your timing at cruising speeds into the 40's instead of letting it go all the way into the 50's.
    ...
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    A 2001 or 2002 Silverado 2500/3500 use the 6.0...

    A 2001 or 2002 Silverado 2500/3500 use the 6.0 with a P01.

    Those two years likely offer the most recent calibrations.
  23. Yes, that is right. Change two more setting for...

    Yes, that is right. Change two more setting for the MAF and you are done with that part. Set the Test ERT min run time from 1.0 to 0 seconds and the Enable test delay to 0 seconds.
  24. Did you skim over the part about using your...

    Did you skim over the part about using your wideband?

    You can't trust or use your fuel trims when it's so far off right now and besides fuel trims do no work in power enrichment so a wideband is...
  25. I'm not sure what you mean by maxing the MAF...

    I'm not sure what you mean by maxing the MAF table.

    To fail the MAF is to set the MAF fail high freq to something like 2hz and 1hz, then set the timers and also set the 3 MAF dtc's to MIL on first...
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