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  1. tune might help

    tune might help
  2. AFR Spark Advance not pulling commanded. Also why knock?

    2000 camaro ECM. just modified the AFR Spark Advance Correction table and went out for a log. My spark table maxes out @ 1.2 cyl airmass. I've attempted to use AFR Spark Advance to modify spark...
  3. Delivered Engine Torque inaccurate / negative?

    I understand Delivered Engine Torque is not an accurate figure relative to a dyno BUT it would be a nice reference to have and log after making changes to a tune to note increases/decreases as tune...
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    I used a user-define math parameter to define...

    I used a user-define math parameter to define boost within the software. We define boost by subtracting Barometric Pressure from your upgraded MAP sensor (2, 2.5, 3bar) reading. Then I plotted the...
  5. Thread: stumped on knock

    by beau.
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    burst knock was causing my car to pull timing. if...

    burst knock was causing my car to pull timing. if you add the burst knock PID in your scanner you will see the sensor populate a value other than zero.
  6. as Jon mentioned the driveshaft isn't rated for...

    as Jon mentioned the driveshaft isn't rated for it, buuuuuuut i had the same issues on my 2014 sierra (98mph limiter?) by just maxing out the limiter. try upping it to 150mph instead of warp speed...
  7. Russ- thanks for the quick, helpful feedback....

    Russ-
    thanks for the quick, helpful feedback. upon adding TPS voltage to channels, i did notice peak was over 4.9 volts @ WOT (4.96). i adjusted TPS High Fail as recommended and made another 2-3...
  8. kicking out of power enrichment @ WOT. tune, layout, and log attached. please help

    my friend that's doing my tuning has told me he's had issues w/ PE kicking out @ WOT. i rewrote entire using my stock tune and then copied over the changes and it seemingly fixed the problem. i just...
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    thanks for the help guys. I will start from...

    thanks for the help guys. I will start from square one and review SDtuning parameters first. I was HOPING it was a user-related error with hptuners and not an issue with a leak or sensor placement...
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    follow up -- just wanted to confirm for others to...

    follow up -- just wanted to confirm for others to reference that Ed was correct in that EQ Cmd, although you can choose units (lambda) within the parameter, is EQ commanded and not commanded lambda. ...
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    VE tuning guidance request

    i've began logging and modifying VE table which has only led to more questions hence the new post.

    from what i've read and come to understand is that your VE table should be fairly smooth which...
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    thanks for the help, Ed. removed unsupported...

    thanks for the help, Ed. removed unsupported channels and added the EQ ratio commanded channel that was actually supported.

    as far as eq commanded, i believe you are right in that the channel...
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    also in the screenshot provided some of my...

    also in the screenshot provided some of my channels are grey in the scanner, including EQ Ratio commanded. can someone explain why it's grey? feeling special...
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    commanded lambda 3.0 scanner

    i got my wideband in last week and installed it this morning -- AFR500 v2. i opted for the version that reads in lambda. I have set up my VE and MAF tunes as well as graph & chart vs time last...
  15. question- do settings under electronic throttle...

    question- do settings under electronic throttle matter for my 2000 after 2002 OS update? I have a cable-driven tb but I've read in the past the computers do not like scaled rotation if I recall...
  16. update: when comparing tunes i was surprised to...

    update: when comparing tunes i was surprised to see how much different some of the areas were i.e. VE tables and spark tables from 2000 -> 2002. a note for beginner tuners out there just getting...
  17. OS update -- from 00 m6 camaro to 02 a4 firebird

    I purchased HPTpro from a guy that recently sold his car, an 02 trans am. I'd like to update the OS in my car and understand i'll be able to do it free of charge since I was able to get the previous...
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    Sticky: beau checking in from Atlanta, GA. Just acquired...

    beau checking in from Atlanta, GA. Just acquired HPT Pro this week and am now shopping widebands.
    2000 camaro ss, TSP LT & ORY, magnaflow catback 6speed car which may eventually be a FI car. ...
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