Uploaded May 2023 | Updated September 2026, 3 weeks ago

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There I was, minding my own business on the back roads of Mexico when BOOM! In this video I go over exactly what happened to my 2018 Audi S4, what we did to diagnose the problem, and what we did to try and fix it!

All hardware installations are performed by Reiter Performance. For more information on their services please reach them at info@reiterperformance.com or check out reiterperformance.com for more details

All dyno testing is performed at Racing Greed located at 1650 Broadway St Unit 110, Port Coquitlam, BC V3C 6P8. They can be reached at rg@racinggreed.com or check out racinggreed.com for more details.

For any business inquiries please email me at adam@vancityaudi.com

Website: vancityaudi.com
Instagram: instagram.com/VancityAudi
Facebook: facebook.com/vancity.audi.1

0:00 Intro
0:19 Why I’m driving my wife’s Q3
01:04 The car was running extremely well
01:28 How this all happened
03:15 Diagnosing the problem
04:54 First datalog after the problem
05:32 First attempt at fixing the issue
06:57 Second attempt at fixing the issue
07:56 Compression test results
08:44 Second attempt at datalogging
09:24 Where the car stands now
11:00 Deciding what to do now
12:25 Our local B9 failures
13:30 I forgot I had my injector tested!
14:40 B9 content is on hold
15:12 Be careful and GOOD LUCK!

#audi #performance #fail