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Old 04-06-2023, 07:26 AM   #15
Nfsundrgrnd
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Join Date: Feb 2021
Drives: 2013 WR blue sport tech BRZ
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Quote:
Originally Posted by Clipdat View Post
I hear you, it feels like you're doing something bad. I replicated it again today after driving home and was able to do so with both clutch depressed and up, didn't seem to matter.

It doesn't do it every time, but it's fairly easy to replicate. Interesting how if the revs are above the ~600rpm resting idle it doesn't do it whatsoever. So if you just feather the throttle slightly and then stab it, it revs normally and sounds fine/healthy. It only hiccups/clunks/knocks or whatever when you "surprise" it with a throttle stab when it's at rest.

I checked the DI computer bolts and all three were snug. I'll have to do some datalogging with the OFT as well and see if this is a knock event. At least if it is we'll know if it's something gasoline/fueling related.
Yup we both have the exact same problem, hopefully I'll report back with some logs too either today or tmrw.
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