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Simon Kribstock

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Posts posted by Simon Kribstock

  3. Coil Pack to coil on plug

    in G4+

    Posted

    Recently converted from coil pack to coil on plug. Wanted to confirm my changes to the ignition settings.

    I've modified my dwell control table to correlate with new coils.

    Do I change "ignition mode" from wasted spark to direct ignition?

    Should I re-calibrate my ignition delay?

    Open my spark plug gap? Had it closed down to .024" from .030" while using the wasted spark set up.

  5. Idle base table/ stepper issue

    in G4+

    Posted

    9 hours ago, ChrisHodge86 said:

    Hi Simon Kribstock, did you end up finding the solution to this?

    I've got a WRX6X G4X in my MY00 WRX, and am experiencing the exact same issue as you. I can get the car started, and it warms up fine with closed loop idle on once the Idle Base Position Table is set, but when I turn the car off (Stepper reset it turned to "Key-off"), I have to go through and amend the Idle Base Position Table again.

    Any ideas? How did you get yours fixed?

    I believe I wasn’t giving the stepper valve enough time to reset, making it start in random positions. I currently have it set up to reset at key on and wait for the tach sweep to finish before cranking. Key off reset was still a bit a bit wonky for me so I just stuck with key on. 

  6. clutch switch digital input

    in G4+

    Posted

    Haha ok that is what I should’ve asked; if the clutch even sends a signal to the ECU on a standard Subaru. I was thinking it was a pre-wired input like the power steering switch, ac request, etc. I must’ve entered it with the intention of wiring it to DI5. Thanks Adam.

  8. clutch switch digital input

    in G4+

    Posted

    99 STi plug-in g4+. Setting up my launch control. Would like to use, or at least try, my clutch switch as the activation control. I believe DI5 was the default input but I'm not 100% sure. It doesn't respond in the runtime window so it obviously won't arm. I know the switch works because I originally had it bypassed for no-clutch starts and now it won't start unless depressing the clutch. Any ideas? 

     

  9. Compressor surge - data graph.

    in G4+

    Posted

    What does compressor surge look like on a data log graph? 

    At about 7000rpm, my MGP/MAP spikes, fuel leans slightly (despite adding fuel) and power falls off. No knock or fuel/ign cut. Turbo is a VF48 with a billet compressor wheel. 

  13. Idle base table/ stepper issue

    in G4+

    Posted

    Attempting to tune my idle base position table in open loop. I follow the OL procedure, achieve a suitable idle, save and store. But when I turn off and restart the engine, I have to completely change the idle base map values. 

    Car is a 1999 Subaru STi with a stepper idle valve. 

  17. Erratic sensor signals, unstable 5v supply

    in G4+

    Posted

    PCLink v5.6.5.3338, Firmware 5.6.5.3389 I have unlocked it once

    I noticed tonight I had a fault code 74: analog 5v supply error. Not sure why I didn't see that yesterday. Checked the runtimes screen and it was fluctuating below 1volt.

    Only wiring modification was s 01-07 WRX STi Omni 3bar MAP sensor so I disconnected it and everything seemed cured. I may have used some bad pinout info from a unnamed forum :(.  I'll re-pin tomorrow and see how it works.

     

  18. Subaru V5-6 IAT

    in G4+

    Posted

    I set AN temp 3 to IAT and sure enough it works. Matches ECT +/- 2 degrees. With that said, I’ll wire my GM IAT, mounted just prior to the TB, using the OEM IAT circuitry; unless otherwise advised.

    I’m curious about AN temp 3 on my expansion connector now. How will that input work?

  19. Subaru V5-6 IAT

    in G4+

    Posted

    3 hours ago, Adamw said:

    In the V7-9 and the V10 there was an IAT device in the MAF, but not the V5-6 as far as I know.

    My IAT sensor is separate from the MAF. I have an RA Limited  STi; maybe that’s the difference? 

  20. Erratic sensor signals, unstable 5v supply

    in G4+

    Posted

    Just plugged in my WRX6 plug-in ECU for the first time. Upon switching the ignition to "on", engine "off", I immediately heard my IACV cycling. I connected to my ECU via PClink, and noticed erratic readings. I updated the firmware and readings remained. I flashed a tune with the proper calibrations for my MAP sensor, injectors, etc. and performed a TPS calibration. Erratic sensor readings remained and now included an erratic TPS signal. 

     Another issue I'm running into is a repeated request to unlock the ECU.

    Any ideas?

    Attached is a video screenshot.  Please excuse my post edits haha. Haven't figured out how to remove dupilcate videos

  21. Subaru V5-6 IAT

    in G4+

    Posted

    Would the OEM IAT be routed to pin B136-19 on the main header? The manual says that pin is AN Temp 3 (V1.1 PCB only),which to me, suggests the OEM IAT but I have no way to confirm. Nothing is configured for AN Temp 3 on PCLink as this input is also on the expansion connector.

  22. Subaru V5-6 IAT

    in G4+

    Posted

    I have a v5 STi with OEM IAT. I bought a GM IAT and installed it just before the throttle body. Should I use the expansion connector or should I snip the OEM IAT and wire it to the GM IAT? 

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