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Misfire data on a 2022+ civic 1.5T

Posted: Wed May 21, 2025 5:37 pm
by AllenZhangFE3
In the sensor options, I can only find the K.Count values for cylinders 1 to 4 and the total count. I would like to know if there's a way to view misfire data, or if K.Count includes misfire data? Thank you.

Model:2022 Civic 1.5T
ECU:6KA-H03
FlashPro Manager:4.4.7

Re: Misfire data on a 2022+ civic 1.5T

Posted: Wed Jun 11, 2025 11:43 am
by Spunkster
Misfires are not a datalogged parameter.

Re: Misfire data on a 2022+ civic 1.5T

Posted: Thu Jun 12, 2025 1:50 am
by AllenZhangFE3
Thank you very much for your reply.

Since I have rebuilt my engine and upgraded the fuel system, I occasionally notice fluctuations in the air-fuel ratio at idle — sometimes dropping below 13 and rising above 16. These fluctuations don't last long, but I would like to understand what might be causing them.

Misfires could be a possible reason. However, the ECU hasn't reported any errors, so perhaps the misfire data isn't significant enough to be flagged?
Thank you.

Re: Misfire data on a 2022+ civic 1.5T

Posted: Thu Jun 12, 2025 9:04 am
by Spunkster
You should be able to hear misfires.