S2000 Under The Hood S2000 Technical and Mechanical discussions.

Power Loss after Hitting the Rev Limit?

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Old 09-08-2018, 10:38 AM
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So wait, I thought everything was bigger in Texas?
Old 09-08-2018, 01:46 PM
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Need to wait for correct learn from EMS after a reset,
have you given enough time and done correctly ?
Old 09-09-2018, 02:36 PM
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Yes, everything is bigger in Texas, except hills (in North Texas at least).

I unplugged the "Back Up" fuse for several minutes to reset the ECU, but it isn't obvious if the ECU was actually reset? I didn't notice any change in idle or performance. I've put a few hundred miles on it since.

It's been a pretty hot summer. Could I be experiencing "Heat Soak"? I've seen some posts about it, but not many specific details of the conditions that lead to it?
Old 09-09-2018, 02:53 PM
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Conditions? Its hot. Engine is hot. Intake air is hot.

Cold air is dense. Power packed. More air, more fuel, more power. Crisp throttle response.

Hot air is the opposite of that.
Old 09-10-2018, 05:32 AM
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OK. Guess I should have been more specific. Is there an ambient temperature threshold for Heat Soak effects on an S to be noticeable under normal driving (non-track)?
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