91 Octane

max tuning on canada

Pulling timing from multiple cylinders stock spark plugs and coilpacks with unknown amount of miles probably going to replace within the next couple of weeks with ngk’s and re-log

Pre-tune. Checking fuel trims on normal highway driving ~24 hours after code clears. Noticed reduced MPG after finishing water pump replacement and was looking for AFR / trim / HPFP data to check for intake leak or fuel rail leak.