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TRD/ Magnuson 4.0 Supercharger Tips, Tricks, and Mods

Discussion in 'Performance and Tuning' started by 12TRDTacoma, Nov 8, 2017.

  1. Nov 14, 2017 at 8:37 AM
    #481
    GT7

    GT7 Well-Known Member

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    Okay so I emailed scott. He tells me to pull the supercharger and show him all the spark plugs. Fuck. I literally replaced them 4 days ago. Also says to check all the exhaust and header bolts which I will do today.
     
  2. Nov 14, 2017 at 9:08 AM
    #482
    Voodoo Rufus

    Voodoo Rufus Well-Known Member

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    You can pull the plugs without pulling the supercharger. You just need a few short extensions, and a lot of patience. I can do both sides in and out in an hour now.
     
  3. Nov 14, 2017 at 9:12 AM
    #483
    GT7

    GT7 Well-Known Member

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    Haha I dont know if I have the patience, definitely dont have all the extensions needed maybe you could be more specific so I can buy them.
     
  4. Nov 14, 2017 at 9:13 AM
    #484
    12TRDTacoma

    12TRDTacoma [OP] Pulley Man ;)

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    Air fuel ratio imbalance, random cylinder misfire and oxygen sensor circuit malfunction bank 1. Huh.

    How is your air fuel ratio gauge reading as far as AFR goes?
     
  5. Nov 14, 2017 at 9:14 AM
    #485
    GT7

    GT7 Well-Known Member

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    My new sensor gets here on Thursday. I might disconnect fpr until then. Maybe not
     
  6. Nov 14, 2017 at 9:15 AM
    #486
    12TRDTacoma

    12TRDTacoma [OP] Pulley Man ;)

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    Oh shit that's right huh you don't even have an idea of how it is running.

    Fuck the UCON. Lol.
     
    GT7 likes this.
  7. Nov 14, 2017 at 9:31 AM
    #487
    GT7

    GT7 Well-Known Member

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    I have had intermittent P0300 for a sometime and totally random. But i have never heard or felt a misfire
     
  8. Nov 14, 2017 at 9:36 AM
    #488
    12TRDTacoma

    12TRDTacoma [OP] Pulley Man ;)

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    Check long term and short term fuel trim pids. Report back to me what they are.
     
  9. Nov 14, 2017 at 9:45 AM
    #489
    Voodoo Rufus

    Voodoo Rufus Well-Known Member

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    10 and 12mm sockets to get stuff out of the way and remove coil packs. Spark plug socket and 2 ~3" extensions to get to the spark plug.

    After removing the coil packs, drop the spark plug socket and extensions sequentially into the plug bore, like drill pipe into a well. After the plug is free, pull the whole thing out one piece at a time, removing the top extension. Then you should be able to pull plug/socket/extension out as one.

    To reinstall plugs, similar idea except in reverse. Drop the plug into the bore, then the socket without the plug keeper, then the extensions. Then torque down. Remove the tools in sequence.
     
    omgwtfbbq! likes this.
  10. Nov 14, 2017 at 9:46 AM
    #490
    Voodoo Rufus

    Voodoo Rufus Well-Known Member

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    How?
     
  11. Nov 14, 2017 at 9:58 AM
    #491
    12TRDTacoma

    12TRDTacoma [OP] Pulley Man ;)

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    Scan tool, or UCON if it allows to be accessed via laptop or whatever. I don't know how UCON works.
     
  12. Nov 14, 2017 at 10:31 AM
    #492
    FinnJ

    FinnJ Well-Known Member

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    I had too, but never after I changed the WRAF sensors. I think the old ones didn’t liked the change procedure from stock headers to SPEC-Us.
     
  13. Nov 14, 2017 at 10:51 AM
    #493
    GT7

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    I think you are right
     
  14. Nov 14, 2017 at 10:59 AM
    #494
    ThomasMore66

    ThomasMore66 We can't stop here, this is bat country!

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    How can it be running so well and then just go so wrong? Makes me think TRD tune is the safe place to be. This is my DD. Don't want to go too wild.
     
    JuanitoBunito likes this.
  15. Nov 14, 2017 at 11:06 AM
    #495
    GT7

    GT7 Well-Known Member

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    Mine too haha.
     
  16. Nov 14, 2017 at 11:16 AM
    #496
    FinnJ

    FinnJ Well-Known Member

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    Mine TRD tune was total crap, awful lean, LTFT about 22%, check engine light on every day. AFR over 16:1 in open loop where it was all the time after 2000 rpm. Bad mileage too.

    Edit: I don’t know if I drove too long (about 30 miles) without the tune, LTFT was -22% then, we didn’t reset the ECU before flashing. Maybe this was the reason... but I have never heard/read any similar occurrence.
     
    Last edited: Nov 14, 2017
  17. Nov 14, 2017 at 11:48 AM
    #497
    GT7

    GT7 Well-Known Member

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    On my ultragauge it says that P0159 and P0300 and P219A are “pending” codes
     
  18. Nov 14, 2017 at 11:57 AM
    #498
    GT7

    GT7 Well-Known Member

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    @12TRDTacoma what do you want me to show you exactly? At idle or wide-open throttle or what
     
  19. Nov 14, 2017 at 12:01 PM
    #499
    12TRDTacoma

    12TRDTacoma [OP] Pulley Man ;)

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    STFT and LTFT's. I want to know the percentages at idle and at 2500rpm.
     
  20. Nov 14, 2017 at 12:02 PM
    #500
    GT7

    GT7 Well-Known Member

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    Ok
    give me 30
     
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