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  1. Replies
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    Just log trans engine torque. If you posted a...

    Just log trans engine torque.

    If you posted a dyno sheet and log that clearly shows your sympton it would likely be very easy for us to see which side needs work.
  2. You can change which shifter position the TUTD...

    You can change which shifter position the TUTD works in but it sounded a bit silly because if you move the shifter to the original TUTD position it will no longer work. Seemed like a silly idea in my...
  3. Bit of pain. I reached out on the 6L80e forum...

    Bit of pain. I reached out on the 6L80e forum which I subscribe to and yeah, it's just how the OS works unfortunately.
  4. Yeah, it's definitely the low reverse clutch that...

    Yeah, it's definitely the low reverse clutch that needs to be on to get the engine braking working. I had a look at some of my logs (6L90) and the behaviour is the same.

    Not sure how you can get...
  5. Presuming you mean no OS? A VF GTS cal / OS...

    Presuming you mean no OS?
    A VF GTS cal / OS would have been the better choice as that cal is designed for that box. The VF Commodore cal / OS is for a 6L80.
    Best to be done with SPS2.



    Load...
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    And yes, very different to a dyno reading. Unless...

    And yes, very different to a dyno reading. Unless the dyno sheet is from an engine dyno.
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    All the same. Can't remember which one but one of...

    All the same. Can't remember which one but one of the engine ones clips at 850Nm or thereabouts.
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    The engine torque tells the trans how much line...

    The engine torque tells the trans how much line pressure to apply. E.g. you're making 1050Nm on the dyno but engine torque PID shows only 500Nm, the line pressure will be way to low and the trans...
  9. Just having a bit of a read of the service...

    Just having a bit of a read of the service manual. So its the low / reverse clutch and shift solenoid 1 you need on to get engine braking. My manual says that should be on for both TUTD and normal...
  10. I have a feeling that 1 of pcs need to be on to...

    I have a feeling that 1 of pcs need to be on to get engine braking in 1st. On my phone so cant see your log. Does the log have the pcs channels included and do you have 2 very clear spots for each...
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    yes yes, very good :cool:. Didn't even cross my...

    yes yes, very good :cool:. Didn't even cross my mind.
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    Be random and move to Australia mate. A good Mech...

    Be random and move to Australia mate. A good Mech or Elec trade can pull easy $140k/yr base + overtime (at double time) + 10.5% superannuation working in a manufacturing / production facility doing 4...
  13. Don't think the MAF is failed properly. Engine...

    Don't think the MAF is failed properly.

    Engine Diag -> Airflow ->
    Mass airflow fail high: 2
    Mass airflow fail high: 1


    High count threshold: 1
    Low count threshold: 1
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    6 x 12hr shifts yuck! Hope they give you plenty...

    6 x 12hr shifts yuck! Hope they give you plenty of time off. Pretty common 12hr shift here in Oz is 4 days on 4 off. Some of the really lucky ones get 4 on 6 off!
  15. Thats a nasty spot just here 120487 As per...

    Thats a nasty spot just here
    120487
    As per GHuggins, need to find out why you've got TM kicking in. And the second part of the screen shot is it looks like the timing is heading to DFCO land. If...
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    Didn't look at the rest of your tune. Try this.

    Didn't look at the rest of your tune. Try this.
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    Just having a wild guess. I had a look at my tune...

    Just having a wild guess. I had a look at my tune for the AC fan control. I couldn't see anything more you could have done. Wire a 10k resistor between the sensor signal and ground. In the scanner...
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    Our setups are slightly different. I've added a...

    Our setups are slightly different. I've added a better scanner list for you. Load that up next time you go for a run.

    IFR is fine. What you see there is you have an injector delta pressure of...
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    It looks the same but its not...

    It looks the same but its not...
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    I don't touch them. I just give it more pressure...

    I don't touch them. I just give it more pressure and the adapts do there thing to command the solenoids to achieve the desired shift time at the inertia & torque profile that is set out in the...
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    Just letting you know your catalyst test is...

    Just letting you know your catalyst test is enabled. This is the correct way to have it for emissions compliance. I think you should research this forum to see if the tune will run ok with an 02...
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    Don't see anything wrong with it. It will still...

    Don't see anything wrong with it. It will still do its thing. Can dig a bit deeper once you get your wideband in and can start doing a couple of WOT pulls.

    I definitely recommend you merging my...
  23. Thread: fpcm tuning

    by hjtrbo
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    Depending if you're out of pump (genuine pressure...

    Depending if you're out of pump (genuine pressure drop) or the scenario below; Log sensor volts as above. Then you will know what is really going on.

    (27.809*[Fuel Pressure...
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    The tune file still has both multipliers? Assume...

    The tune file still has both multipliers? Assume you included the wrong one? Log looks good. Fuel trims have come right back.

    Can you add the engine torque PID to your channel list. Forgot to put...
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    Always learning. Thanks for clearing that up.

    Always learning. Thanks for clearing that up.
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