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  1. Replies
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    1,542

    Low cylinder airmass ? please help

    this is a LSA g8, E38 ecm 102mm Tb , 5" intake with lsa MAF, 1000 cc injectors

    103527

    103528

    Now I had to scale back the Maf FQ for the 5" but it should of lost this much from that. Ive...
  2. Chased my tail for 2 days on this guys and it...

    Chased my tail for 2 days on this guys and it ended up being a vacuum leak.

    I watched the throttle body slowly try to close in the log to bring idle down and once it hit .4 TPS the air was still...
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    1,510

    did it help? im using a etc scaler of 7400 and it...

    did it help? im using a etc scaler of 7400 and it works ok but cant get park or neutral right. Some posts are saying to try 7000 as a scaller so its easier to control
  4. High idle issue with 102mm only in park and neutral.

    Hey guys , 09 g8 here with a e38 ecm and 6l80, mild cam and LSA on a 6.0.

    I know there is so many of these 102mm posts but help me out. I dialed it in pretty nice using a ETC scaler of 7400.000,...
  5. e38 return fuel system tuning ( not a fpcm car )

    e38 pontiac g8 ( not a fpcm car )

    I know I have to set the IFR to one number across

    But i'm reading mixed opinions on changing the Voltage offsets for pressure and voltage.

    do these need...
  6. fuel system readiness wont set ? 15 sierra 5.3

    Did a some basic tuning to my 15 sierra . Now after hundreds of miles the fuel system readiness monitors will not set?



    I payed for the credits for the ecm and tcm, did no pay for the fuel...
  7. difference between TOTAL KNOCK RETARD and KNOCK RETARD

    So im seeing about 1-2* TOTAL KNOCK RETARD in the entire VE range.

    but pid KNOCK RETARD shows 0

    Burst knock also shows 0.

    What else should i log?

    Or should I just not log TOTAL KNOCK ?
  8. UPDATE : upon further inspection I’ve learned the...

    UPDATE : upon further inspection I’ve learned the throttle body is a gold blade NOT a silver, Will this cause the issues I’m seeing ?


    I’m reading the gold blade ls3 throttle body can’t be used...
  9. engine off kpa reading is 105 which I think is...

    engine off kpa reading is 105 which I think is normal, idle and startup is higher then normal though, once it does start at 850-900 rpm the kpa is 80-83

    Im at sea level in the north east .

    Iat...
  10. thanks for the quick responses. Ls2 silver...

    thanks for the quick responses.

    Ls2 silver blade TB

    what should I set the offset to ? 1 on the entire table ?

    Ive gone really high and really high with idle air with no change... also tired...
  11. p59, starts and dies in 3-4 seconds - open loop

    This is a 5.3 with a big turbo, 3 bar map, DBW throttle body, th400, e85 , return fuel setup

    p59 ecm from a 6.0

    silver blade throttle body

    major warm start issues, it starts very healthy...
  12. Does anyone have a stock tundra file 5.7

    I've been using hp tuners mvpi1 for years now, I have a tundra as a tow rig and id buy a mvpi2 if its worth it.

    Does anyone have a stock tundra file they could send me to look over?

    ...
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    2,305

    E67 oil temp - 09 cts-v -40?

    Hey guys this is sort of a dumb and quick question.

    first log tonight in my 09 cts-v and I notice the oil temp is -40

    Do I have a bad sensor /wire

    Or is the oil temp just calculated on the...
  14. Replies
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    3,453

    With the basic mvpi2 , if I use a can bus style...

    With the basic mvpi2 , if I use a can bus style wideband that uses the obd2 (like a aem x series)

    Will I be able to log the wideband ?

    Or do I have to wait for the pro and the expander no...
  15. Replies
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    6,857

    Anyone ever confirm data for 028155811 ? ...

    Anyone ever confirm data for 028155811 ?

    Thanks
  16. Hey does anyone have a tune file with the 36#...

    Hey does anyone have a tune file with the 36# numbers from fast?

    I?m hving trouble copy and pasting from the text doc.


    I have some fic 36# Bosch injectors giving me some crazy fuel trims of...
  17. No dtc codes or misfire. The injector data...

    No dtc codes or misfire.

    The injector data I'm starting to question.

    My friend purchased FIC injectors even though I advised otherwise.


    They are rated at 36lb at 3 bar 43psi

    We have...
  18. Strange short fuel trims, dont seem to match the o2 voltages

    This is a swapped vehicle using a 04 GTO engine and ECM, mild cam, aftermarket pump C5 return style filter style, oem gto rail and FIC 380cc injectors.
    New delfi primary o2 sensors, long tubes no...
  19. Anyone have a stock 2017 6.2 silverado or sierra file ?

    the vehicle is already tuned and id like to compare to a stock file.

    anyone have one?
  20. Replies
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    19,647

    I undersant the licensing goes with the cable,...

    I undersant the licensing goes with the cable, but this has the special TCM already unlocked. I'm curious if ill have to pay the 200 to unlock it aswell
  21. I just went through this on my aem x series...

    I just went through this on my aem x series gauge, you need to use the ground from the gauge not chassis ground to your hp tuners serial device.

    So white from the gauge to the + inpout in hp...
  22. My car has the fuel system ready for it, I'm just...

    My car has the fuel system ready for it, I'm just curious if there's a general guideline on the WOT timing since ill be street tuning.
  23. Replies
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    3,326

    did you try just doing a drive cycle? sometimes...

    did you try just doing a drive cycle? sometimes you need to put some miles on to delete a permanent code.

    Also can try unplugging the battery overnight.

    If that doesn't work something isn't set...
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    2,153

    can you give me more info on increasing Airmass...

    can you give me more info on increasing Airmass A,B,C and D ? what does this do?
  25. Replies
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    19,647

    I need to access a 2017 sierra tune thats already...

    I need to access a 2017 sierra tune thats already been tuned by another Hp tuners serial, trans has already been unlocked.

    Will it still cost me 4 ecm and 4 tcm credit ?
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