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ECU Logging issue


Monsterbishi

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Had a Seal Autocross yesterday, we developed a issue where halfway through the course the car wouldn't go over 3000rpm without hesitating and backfiring, it would come right after the run, and wouldn't manifest itself until the same point on the next run.

At the end of the day when we got home I went to pull the logs from the ecu to see if I could get some clues as to its cause but my logging memory was empty aside from a four minute log from what it recorded when I took the car off the trailer and put it in the garage.

Any ideas what would cause this?, ecu logging is set to run at 10hz over 200rpm, with no IO conditions, even the log from when we unloaded the car at the track and warmed it up was absent.

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