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  1. did you hook up a volt meter to the fuel pump,...

    did you hook up a volt meter to the fuel pump, doesn't seem like its engaging
  2. Thread: Stock 5.7 tune?

    by fixit
    Replies
    2
    Views
    210

    there are at least two in the repo,...

    there are at least two in the repo, https://www.hptuners.com/my-account/tunerepository/?
  3. Thread: Bad Map Sensor?

    by fixit
    Replies
    6
    Views
    606

    is there a mismatch between the map and tip...

    is there a mismatch between the map and tip readings ?
    suggest checking voltage from each with car on and not running .. i'd expect 1.65v not 2.08 (2.25bar)
  4. Thread: turbo LQ4 help

    by fixit
    Replies
    53
    Views
    5,354

    just stumbled across this.. old post thank you...

    just stumbled across this.. old post
    thank you for the updated SEP 1500 xls.. i'm going to try it..
  5. Thread: injector ID

    by fixit
    Replies
    1
    Views
    200

    that part matches to a 5.7l 2018-19 challanger ...

    that part matches to a 5.7l 2018-19 challanger
    googled
    shows this stock tune & it should have the data...
  6. Replies
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    508

    appreciate the advice, will do the GM refresh.. i...

    appreciate the advice, will do the GM refresh.. i have a buddie.. that could use a case of PBR's
    did GM ever offer stage tunes ?
  7. Replies
    9
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    508

    would a write entire work?

    would a write entire work?
  8. Replies
    9
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    508

    not sure who's tune it is.. i'll send trifecta...

    not sure who's tune it is.. i'll send trifecta the VIN
  9. Replies
    9
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    508

    HHR locked tune, can it be overwritten ?

    customer wants to return to stock and the pcm has a locked tune, x7F.
    if i use a stock tune from the repo, change the vin, and apply 2 credits .. it should work, right ?
  10. Replies
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    592

    could be out of pump too.. autozone loans a fuel...

    could be out of pump too.. autozone loans a fuel pressure gauge .. tape the to you windshield and video a pull to see if it drops..
    and post a log
  11. Replies
    7
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    592

    its out of injector - 95% @6200rpm @ time stamp...

    its out of injector - 95% @6200rpm @ time stamp 5:19:15.130

    119580
  12. Replies
    3
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    317

    source in listed in picture119335

    source in listed in picture119335
  13. Replies
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    261

    hellcat's are the same if you search around the...

    hellcat's are the same
    if you search around the theory is because most gas is 10 ethanol, hence 13.8
  14. Thread: Timing on Decel

    by fixit
    Replies
    15
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    672

    try increasing the dfco cutout time from .39s to...

    try increasing the dfco cutout time from .39s to 6.0s
  15. why is the IAT "-84F" ? (ambient and coolant are...

    why is the IAT "-84F" ?
    (ambient and coolant are fine)
  16. Replies
    5
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    959

    agreed, copy spark.... fuel pumps are different...

    agreed, copy spark.... fuel pumps are different too.. probably worth adding e85
    quick search shows a stock demon tune,...
  17. Replies
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    584

    i would drain and put in known good fuel (fresh...

    i would drain and put in known good fuel (fresh from another supplier) better yet e85 (and measure it), new plugs (if you have white crust on a plug could be oil being burned in that cylinder) and...
  18. Replies
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    584

    at time 11:36:39 timing is pulled due to knock,...

    at time 11:36:39 timing is pulled due to knock, crap gas ?115959
  19. i followed this to graph the lt+st and modify as...

    i followed this to graph the lt+st and modify as needed (usually VE if your injector data is good), https://www.youtube.com/watch?v=Rhg5NSh8Dq8

    i pull the pcm fuse for 10s and that resets the LT...
  20. which injectors ? x or x2?, base fuel 58psi?...

    which injectors ? x or x2?, base fuel 58psi?
    http://help.injectordynamics.com/support/solutions/articles/178418-chrysler-injector-characterization
    min pw is .125 not .22

    114666
  21. I’m sure there are others, below are 2 good...

    I’m sure there are others, below are 2 good tuners

    https://www.facebook.com/dave.trojahn
    https://www.facebook.com/marioizabel.cominotti
  22. I’d guess your out of fuel injector, 80# idle...

    I’d guess your out of fuel injector, 80# idle well and a 450 should provide enough fuel

    Check on Facebook there are a bunch of good tuners, Dave Mario etc, that can help you
  23. post a log with injector pulse width & TPS ...

    post a log with injector pulse width & TPS

    what injectors and pump?
  24. Replies
    3
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    690

    Contact agp they’provide a spread sheet of the...

    Contact agp they’provide a spread sheet of the tables that need to be modified

    If this is a neon pm me and I can help you sort it out
  25. updated here is how i think it works.. ecm...

    updated
    here is how i think it works..
    ecm knows engine volume & VE & RPM & density... grams of air, knows requested AFR so it can calculate grams of fuel needed

    actual injector pulse width is...
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