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nebraskaStinger nebraskaStinger is offline
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Join Date: Mar 2020
Car: 2018 Kia Stinger GT
Exclamation Cylinder misfire after 3000ish RPM - 03-26-2020, 04:49 PM

This is for my 2018 Kia Stinger GT. I can't do pulls at all, the car shudders and then goes into limp mode. Checking the engine codes, I'm getting cylinder misfires.

I have the JB4 with fuel control and I have the OBD connected. Currently running Map 0 as I haven't had a chance to swap out the spark plugs, but I did run Map 1 for a few pulls with no issues previously.

For other mods, I have BMS Intakes, BMS Pedal Tuner, Jun Bl down-pipe, and Borla exhaust.

The misfiring issue seems to have started happening after the Jun Bl down-pipe install (about a week ago). Before that I had no issues, so I'm looking for assistance. This might not even be a JB4 issue, I don't know.

I don't have a good log for when the cylinder misfire happened, but I did attach 3 other logs I was running at I was driving around normally after the down-pipe install. And also attached is an image of the error codes.

Thanks!
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Attached Files
File Type: csv 20200323_1724_runs(1).csv (169.4 KB, 1 views)
File Type: csv 20200326_1815_runs(1).csv (318.6 KB, 0 views)
File Type: csv 20200326_1726_runs(1)_part1.csv (289.3 KB, 0 views)
File Type: csv 20200326_1726_runs(1)_part2.csv (256.8 KB, 0 views)
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