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Thread: Calc.VET: correcting MAF and calculating VE (in single log)

  1. #211
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    on a side note while I am thinking of it. I am still getting a p0106 MAP performance code once in a while. I did on initial startup after the pcm swap. I adjusted the expected map table and it was gone for a while. I wonder if lowering the ve in the idle areas has impact on that. The 98 system didnt support that code so this is a bit new.

  2. #212
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    O.K., Len..

    One thing to consider is that the SELBENS will have a more accurate % difference from Actual vs Commanded than an AFR comparison. When you are logging a 11.7 AFR, what is your SELBEN right at that point?

    You may have already noticed, but in a high-performance vehicle when you are doing a 100% TPS WOT run, when you let off the gas at the end of the run, you get a couple of frames where the EQ/AFR is still rich (I.E. Dynamic Fueling Parameters). Hopefully the Filter excludes them, but take a look to make sure.

    By the way that 408 really hauls. Must be fun!.
    2002 Black Camaro Z-28 M6 Hardtop 11.0:1CR 425HP/410TQ SAE (400TQ@3500RPM)
    200cc Heads, 228/232 110+2 Cam, 1 3/4" LT's w/catts, GMMG, Koni Shocks, Hotchkis Springs, 35/21 Sways, 17" ZR1's, 3.90 Gears Roadrunner PCM LM-2 Serial Wideband
    EFILive Closed-Loop MAF/SD Hybrid Tune..


  3. #213
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    I will look at the log and see what the selben is in the rich area and let you know.

    yea it is pretty fun to drive, its running pretty good.

  4. #214
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    Quote Originally Posted by rpmauto View Post
    on a side note while I am thinking of it. I am still getting a p0106 MAP performance code once in a while. I did on initial startup after the pcm swap. I adjusted the expected map table and it was gone for a while. I wonder if lowering the ve in the idle areas has impact on that. The 98 system didnt support that code so this is a bit new.
    Thats a new one for me... How much (over stock) have you had to adjust B5001?
    2002 Black Camaro Z-28 M6 Hardtop 11.0:1CR 425HP/410TQ SAE (400TQ@3500RPM)
    200cc Heads, 228/232 110+2 Cam, 1 3/4" LT's w/catts, GMMG, Koni Shocks, Hotchkis Springs, 35/21 Sways, 17" ZR1's, 3.90 Gears Roadrunner PCM LM-2 Serial Wideband
    EFILive Closed-Loop MAF/SD Hybrid Tune..


  5. #215
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    I will look, dont have my laptop with me know. I did a search and I think I just need to raise the values in the predicted map low tps areas by another 10. Everything works just fine just one of the pesky rationality test the stock system runs.

  6. #216
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    ***CALC.VET Tutorial Update:***

    Officially the New CALC.VET Tutorial remains under 'construction' for the time being. There are still a few PIDS and perhaps 'coding' upgrades to occur in the next few months.

    The Tutorial contains the most detailed instructions on constricting MAPS, etc. So, it will be kept updated periodically. Page 1 of this thread contains all the updates:http://forum.efilive.com/showthread....l=1#post135867

    Thank you..

    2002 Black Camaro Z-28 M6 Hardtop 11.0:1CR 425HP/410TQ SAE (400TQ@3500RPM)
    200cc Heads, 228/232 110+2 Cam, 1 3/4" LT's w/catts, GMMG, Koni Shocks, Hotchkis Springs, 35/21 Sways, 17" ZR1's, 3.90 Gears Roadrunner PCM LM-2 Serial Wideband
    EFILive Closed-Loop MAF/SD Hybrid Tune..


  7. #217
    Joe (Moderator) joecar's Avatar
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    Shawn, thanks for the effort writing a tutorial is hard work.

  8. #218
    Joe (Moderator) joecar's Avatar
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    Default P0106

    Look at these tables:
    - C2911, C3003-4 for the rationality test limits,
    - C2907-10, C5501-2 for disabling the rationality tests as last resort.

  9. #219
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    Shawn the selbens at the lowest afr in frame 6618 is .9212. That is showing a 10.13 afr. If I highlight frames 6617-6625 I get a average afr of 11.29 and selben avg of .9606. Frames 6586 to 6614 show avg selben of .987 and avg afr of 12.16. The maf hz highlighted in the tune are from 9625 to 11750. I will see what those areas do on the next log. So it is close. The adjustments made after the last log should make it even closer.

  10. #220
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    Len, perhaps we have our Scan Tools set-up at a different Frame Count..Those frames don't match up with what you gave me?.

    Also, is your vehicle Electronic Cable or By-Wire?

    I am trying to figure out why you are in PE Mode on deceleration, and low throttle.

    I.E., in screen-shot your PE Mode factor 1, EQ 1.03?
    2002 Black Camaro Z-28 M6 Hardtop 11.0:1CR 425HP/410TQ SAE (400TQ@3500RPM)
    200cc Heads, 228/232 110+2 Cam, 1 3/4" LT's w/catts, GMMG, Koni Shocks, Hotchkis Springs, 35/21 Sways, 17" ZR1's, 3.90 Gears Roadrunner PCM LM-2 Serial Wideband
    EFILive Closed-Loop MAF/SD Hybrid Tune..


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