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Misfire problem
Good afternoon
I would like to tell you about my 2018 Subaru BRZ car, 10.600 mile
which I bought at an auction in 2020 in disrepair (Damaged from the back side) and brought it to Azerbaijan ... see photos
Tuned car (Delicious tuning):
Jackson racing supercharger
Flex fuel kit
JDL auto design
Borla exhaust
when I started to drive the car after the repair, I felt a strange smell from the muffler and the car began to choke at 2500-4000 rpm. Computer diagnostics showed problems with 1 cylinder, when I pressed the gas pedal, an error appeared in 4 cylinders. We looked at the injectors and the reel, changed the spark plugs (the old ones had a black coating, which is not normal).
I turned to Delicious Tuning who advised me to change the firmware. When I bought my car, there was no flashing device. Can I use my friend's device from GT-86 or should I buy a new one?
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