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  1. E38 Pontiac G6 won't communicate with emissions

    Hey guys,

    Anybody run into an issue where the emissions testing station cannot connect to the ECM ?

    Car is a 2009 Pontiac G6. E38 controller.

    I can connect just fine with HP tuners, use the...
  2. UpDate !! This was the problem. ...

    UpDate !!

    This was the problem.
    http://www.hptuners.com/forum/showthread.php?p=101510

    I disabled the TPS error test as per the above thread.
  3. Ttt

    Ttt
  4. Common, nobody knows anything about this problem...

    Common, nobody knows anything about this problem ???
  5. Anybody ??

    Anybody ??
  6. I attatched some logs and my tune. "Bad Pass...

    I attatched some logs and my tune.

    "Bad Pass at US41" is the first time I had the problem, 2 weeks ago. Unfortuneatly I was not logging any good trans info.

    "Good Pass at US41" is the pass I...
  7. Car feels like it is lauching in 3rd gear. PLEASE HELP !!

    1998 Trans Am
    4000 stall converter
    Cam
    4.10 gear


    Saturday I made 1/4 mile 10 passes with the car, no problems. On Sunday I made 3 passes and then on the fourth pass when I lauched the car the...
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    Does anyone know if there is an update for this...

    Does anyone know if there is an update for this thread yet ? I also tried a cylider balance test on a LS2 GTO and could not get it to work.
  9. ok, I'll give that a try. Thanks !!

    ok, I'll give that a try.
    Thanks !!
  10. Replies
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    anybody ??

    anybody ??
  11. I have a 3.23 rear end. And from what I can...

    I have a 3.23 rear end. And from what I can remember the car shifts out of 2nd at about 6300. I have WOT shift rpm set to 6,000 and WOT shift MPH set to 75 mph, and the normal driving charts are set...
  12. How much can I lean on shift time and line pressure ?

    I have a 1998 Trans Am, 3600 stall. The trans is bone stock about 50,000 miles on it.

    My question is hard hard can I lean on the line pressue and shift times? And not have to worry about over...
  13. Replies
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    119,619

    can this not be done on a 98 computer ? I do...

    can this not be done on a 98 computer ?

    I do not have a option of selecting performance switch 1 or switch 2 unlike the newer computers.

    If this is the case, the "performance" charts mean...
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    4,587

    ttt

    ttt
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    4,587

    DTC P0430 Question

    2001 Camaro Z28

    Car keeps getting a P0430 DTC code setting the SES light.
    I set the rear O2s to No error reported and cleared the DTC's and the code P0430 still keeps turning on the SES light?
    ...
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    ok, so just to be sure, if i set 80% and higher...

    ok, so just to be sure, if i set 80% and higher cells to Zero for the upshift, the computer will only use WOT RPM as a shift point.

    Do I need to set the down shift cells to 0 also ?

    Thanks for...
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    A4 mph shift charts

    If I set the upshift mph charts to zero at 80% and higher will the trans only use the rpm shift charts to shift ?? Or is it 256 ?? I thought 256 tells the computer to NOT do something.
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    thanks guys

    thanks guys
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    Will HP Tuners tune a LT1 car ??

    ^^^^^^^^^
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    Thanks for the info guys ! My car seems to...

    Thanks for the info guys !



    My car seems to run the best at 28 but I'll tryin pullin timing the nextime at the track and see what happens.
  21. Replies
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    Ignition timing Help

    What kind of total timing is everyone using on there LS1 cars. I'm just looking for some ideas to try at the drag strip. I tuning a 98 LS1, the engine is bone stock, with full length headers and an...
  22. Thanks for the help, that was my problem, I...

    Thanks for the help, that was my problem, I didn't know I had to add them in the Table display also.
  23. What is the purpose of Case Learn and Cylinder Balance

    What doe Case Learn do? I have done searches on the board and no thread state what it does or what it is for. I tried it, it worked for me, seems like people are having trouble with it but what is...
  24. Adding more guages in the Scanner, Never work.

    When I add more guages in the Scanner none of them work. I have tried adding line pressure, trans temp, TCC duty cycle, and Force Motor Current. They never work ? Why are they not supported ? I am...
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    I set up my TCC to engage at 43 mph and disengage...

    I set up my TCC to engage at 43 mph and disengage at 38 mph. It seems to be a little nicer to it at slow speeds.
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