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weitek

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  • Location
    NorthEast WI
  • Car
    05 WRX STI CGM

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  1. Careful who you call an expert! Welcome.
  2. Knock Correction Advance is the ecu adding extra timing. It is not an indication of danger or a problem. At the very minimum you should be logging Feedback Knock Correction + Fine Learning Knock Correction. Then if you see those values go negative that means the ecu is pullling timing because it senses knock. That is when you should be concerned. I suggest logging the following parameters until you have a better understanding of what your car is doing. A/F Learning #1 (%) A/F Sensor #1 (AFR) Engine Load (Calculated) (g/rev) Engine Speed (rpm) Feedback Knock Correction (degrees) Fine Learning Knock Correction (degrees) Ignition Timing Advance (degrees) Ignition Total Timing (degrees) Manifold Relative Pressure (Corrected) (psi) Mass Airflow Sensor Voltage (V) Primary Wastegate Duty Cycle (%) Throttle Opening Angle (%)
  3. I've seen that one too. Do we know why that happens? Like do you think it's just noise or a tuning issue?
  4. Wow awesome. You just made my day.
  5. That's exactly what I've seen. It seems to be really bad on the LGT when starting off - Franz and I are pretty sure the clutch/throw out bearing is noisy. For my STI it usually only did it cruising in residential areas or on the highway. I also spent lots and lots of time experimenting, any it always happened no matter what I did. I ended up moving the knock threshhold to 1.05 load and above and have been super happy with it. It drives a lot better now since it's not pulling timing all over the place. I was just wondering if anyone else had found a better solution but it is nice to know I am not alone.
  6. Great thread. I think I picked up a few tips. Thanks Edit: What is the general consensus about knock during very low load/rpm conditions? I have my own theories about this and have taken some unusual measures against it but I'm curious what you guys think? Example: Crusing on the highway at 70MPH with constant throttle input, manifold pressure at -8PSI, ecu reports feedback/fine learning knock and pulls from 2 to 8 degrees. I've seen it on cars ranging from stock to stage 2/350whp level. No amount of reduced timing in the tune seems to have any effect on this.
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