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There have been very few electronic failures of the ECU over time. While they are rated for ~100,000 flashes, it does happen. A fraction of 1%. Roughly .04% if you want a direct representation.

If that will put you into sport mode then you'd be running sport mode targets, otherwise you're running normal mode targets.

Very reliable. Here's a great thread with years of tuning data on the 1.5T platforms. https://www.civicx.com/forum/threads/the-tuned-civicx-experience-reliability-thread-for-all-models.42361/

A launch limiter (Low limiter when not moving) is always active and doesn't affect cats. If you're actually thinking about anti-lag that is a feature that does need to be enabled and can overheat cats.

Was that the case here?

If you're actually on the clutch that'll be for altering the 2-step RPM, otherwise it's the same procedure any time the engine is running and Cruise Main is off.

It could be the driver's assist systems running a quick check, as they do steer etc, or caused by the power steering.

Any changes Honda makes to dumb down the throttle, AC, and steering for those modes are still present.

In that case I think it was mentioned earlier that it could be just compensating for your fuel or heat soak, etc. You're not losing anything. The ECU is always correcting trims to deliver target fueling.

If you're pulling fuel in trims then you're running rich and that may be due to the changes you made. If it's indeed from the intake then the ECU thinks you're getting more air than you are, so you'd alter the MAF curve to reflect less air at the frequencies in question. Make sure you maintain...

If the description for the item in the list indicates "w/ reduced rev hang" then rev hang is reduced. If the description does not contain "w/ reduced rev hang" then it is factory. There is no mention or indication of any levels for that.

It reduces rev hang, as titled.

You would be correct. If reseating it works then it wasn't seated all the way. If you're pulling it off and putting it back on it's not getting communication with the ECU to wake it up. They do sleep after two minutes of inactivity. The LED is off in that scenario, so check for that as well.

We have a fairly standard size connector. Unfortunately from vehicle model to vehicle model varies a little bit on the factory connector. Fit it on as tight as you can. For instance the 10G Civic guys say it's too tight of a fit... go figure.

Different fuels contain different additives and even different levels of ethanol, so fuel trims may adjust based on those inclusions.

Knock control is indeed an item you can choose within TunerView. If you're not familiar with the usage of the app see the tutorial videos in the online help.

Fuel trims will tell you if the MAF housing is close to factory. If it's off you'll need to alter the MAF scale. Other parameters will vary depending by how far fueling is off in this case.

Many people go that route for just that reason. Very similar to having a V2 unit and it is wireless. V1.2 still requires a laptop to lock and unlock whereas the V2 does not.

No. The other question was answered in email.

Reduced rev hang is the option to reduce it. We can't take full control of the throttle or it will kill the rev match feature. As soon as conditions are met it will go into enrichment mode. First gear does go by extremely quickly, so you're likely correct on that notion.