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feedback knock
1-9 of 9 Results
  1. General Maintenance, Troubleshooting & Accidents.
    Hello all, I’m new to the subie world and I’m wanting an opinion on where I should start to track down my DAM and Feedback Knock issue. The dam dropped all the way down to .500, the highest Feedback knock I registered was -4.44 and that was at around 3000RPM. I’ve recently bought the car, has...
  2. STi Technical Forum
    Hi, I have a 2017 STi with MAPerformance Stage 1+ 93 Oct kit along with their tune. I know others has mentioned any knocks below -2.8 is normal. However, I was constantly getting -1.40, -0.70, and -0.35 during acceleration in Fine Knock Learn for about ~10 minutes of driving, and then it went...
  3. General Maintenance, Troubleshooting & Accidents.
    Help! My 2020 WRX is showing really low AF learning 1 values. I’m not sure why, all the other values are staying relatively normal and this started out of no where a few days ago. I’m on a stage 1 91 octane tune +big SF. The only mod I’ve done was the Cobb big sf intake and it was about 8 months...
  4. Tuning: Electronic Engine Management
    New to the forum but have been browsing for a few about a year now (and even more so over the past few weeks). I recently added the cobb SF intake to my 17wrx 6MT and was running an COBB stage 1+ OTS tune for about two weeks seeing occasional feedback knock as high as 4.x on ( maybe two or...
  5. General Maintenance, Troubleshooting & Accidents.
    2017 Subaru WRX 2.0 Manual. Log - datalog42 My issue started after I fixed a jumped timing on the passenger side exhaust sprocket. After the timing issue was fixed, I noticed the occasional negative FBK, FKL, and DAM drops. It was so bad that the DAM would sometimes reach .3 and I would feel a...
  6. General Maintenance, Troubleshooting & Accidents.
    Hey everyone, I've been seeing Feedback Knock upwards of -11 ever since I got an AP this past December. Bought the car in November. 2010 WRX w/ 100K+. Stock intake and tune. I was able to get a good log tonight (attached) going from stop light to stop light on my drive home, where I saw...
  7. General Maintenance, Troubleshooting & Accidents.
    so I have been looking at this damn data log i took while I was cruising just to see if I could find out what could be causing this feed back knock I don't see anything unusual when the knock happens just seeing if anyone of yall see anything also when it does happen it feels like a loss of...
  8. New Member Introductions
    Hi I'm new here and I've had my WRX a little over a year now, with no problems whatsoever, but recently the DAM dropped dramatically from 1 to .850 to .725 to .500 and now its at .688 with feedback knock and fine knock learn appearing randomly at -1.45 at start and when given little more than...
  9. Tuning: Electronic Engine Management
    I apologize if this is answered somewhere, but I searched and couldn't find anything. Basically I'm a new WRX owner. I have a 2019 WRX with an Maperformance intake/stage 1+ tune (93 octane.) Lately I have been getting more frequent -1.41 hits, (I understand this is normal, and not my area for...
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