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    TPS % throttle body and torque management

    I got a lsx conversion 1975 car, with a 2013 6.2L E38pcm.
    The transmission was OS swapped for a T42 A4 unit with a 4l80e transmission(by another shop).
    Problem is sometimes if...
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    Now I see why some don't post here anymore.

    Now I see why some don't post here anymore.
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    ............

    ............
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    :pray:

    :pray:
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    Interesting..... The AFR500 uses the same...

    Interesting..... The AFR500 uses the same harness and wideband sensor as the AFX powerdex. I was told that the AFX powerdex and AFR500 are the same units just rebranded for copyright reasons(its...
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    This^^^^. I ended up just getting a new...

    This^^^^. I ended up just getting a new harness and kept my AFX box. I had another sensor that was still under warranty and I swapped it out.
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    Nevermind, I got a...

    Nevermind, I got a clarification.......................
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    AFR500 vs AFX Powerdex?

    This sucks, I was out tuning and accidentally burned the connectors were the wideband sensor and harness connect with my AFX powerdex/NTK unit. They melted together. So now I m basically gonna...
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    I just went back and read what you said, these...

    I just went back and read what you said, these statements are contradictory.

    Explain how did you tune those other many setups in open loop?
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    I don't cosign with taking short cuts but if you...

    I don't cosign with taking short cuts but if you must, get a wide band or use a wideband. Or else it will just keep dumping fuel. Then you will have more problems to deal with.



    Not...
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    Post your tune and log if you want thorough...

    Post your tune and log if you want thorough advice.
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    You need a wide band in order to tune WOT...

    You need a wide band in order to tune WOT properly.

    You should NOT be tuning WOT with your narrowbands period.
  13. Thread: 5.3 Problem

    by POWERZONE
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    3,702

    I am waist deep now. lol

    I am waist deep now. lol
  14. Thread: 5.3 Problem

    by POWERZONE
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    3,702

    I usually do not run into an issue like this or...

    I usually do not run into an issue like this or have to increase the proportional to oscillate faster with a stock motor with all stock parts. Beats me.

    The O2's are in the stock location of the...
  15. Thread: 5.3 Problem

    by POWERZONE
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    3,702

    When the B2 O2 harness plug was on the drivers...

    When the B2 O2 harness plug was on the drivers side wrong, we got P0171(bank 1 lean, the drivers side). We swapped the B2 O2 harness to the correct side, the passenger side and now we are getting...
  16. Thread: 5.3 Problem

    by POWERZONE
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    3,702

    I swapped sides and it works. The only problem...

    I swapped sides and it works. The only problem now is the O2 is reading lazy or dead at idle but switches well under rpm. I ohm'd 2 different AC delco O2's and they both ohm's fine at 15. I...
  17. Thread: 5.3 Problem

    by POWERZONE
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    3,702

    I have to download the wiring manual off...

    I have to download the wiring manual off painless. This is the times when tuning is a pain. I m one of the few tuners that will actually do some wiring investigation or wrenching around here. ...
  18. Thread: 5.3 Problem

    by POWERZONE
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    3,702

    5.3 Problem

    I had a conversion car come in that is a bit of trouble. Maybe you guys can see something I don't or confirm.
    Here is the info on the car-

    79 Malibu
    All Stock 5.3 from a 2005 Silverado...
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    It is a good idea to log AFR commanded and AFR...

    It is a good idea to log AFR commanded and AFR error so you can see on your logs. It will make your tuning process easier.

    It is a good practice to use AFR error as well for fueling if you are...
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    The only way we can give you a more accurate...

    The only way we can give you a more accurate answer we would need you to post your log when the event is occurring and post your tune.

    But to take a rough guess, there are other spark modifiers...
  21. Ok. I compared a 99 auto file vs. 99 manual...

    Ok. I compared a 99 auto file vs. 99 manual file. The auto tables are different.
  22. Go to Engine>Fuel>Open/closed loop>closed loop...

    Go to

    Engine>Fuel>Open/closed loop>closed loop proportional
    *Set this table back to stock

    Engine>Fuel>Open/closed loop>airflow mode
    *Set this table back to stock


    Try this and see if...
  23. Great, but you still need to fix those other...

    Great, but you still need to fix those other things mentioned in this thread asap.
  24. I just tuned a car that had killer jerking and...

    I just tuned a car that had killer jerking and bucking especially when downshifting via 2>1 and cruising around 1st or 2nd.

    It was pig rich with too much timing. I cleaned up the VE and made...
  25. As stated, you need to make sure the MAF is in...

    As stated, you need to make sure the MAF is in fail mode.

    Too add, your PE/BE tables need some work. Look at your log and see that your are lean for a a couple of seconds even though your...
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