Welcome to SJM Autotechnik

1982-1996 Audi 5 cylinder, V6 and V8 Engine Control Unit (ECU) diagnostics and trouble-shooting tips.

Please use the "diagnostics" drop down menu at the top of this page to locate trouble shooting information for your model Audi

Use the drop down menu "photos" at the top of the page to see images from my visits to Audi related automotive events in the USA as well as my visits to the Audi, Mercedes, and Porsche museums and factories in Germany.

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SJM Autotechnik is not affiliated with or endorsed by Audi AG or Audi of America, Inc.

Audi ®, Quattro ®, Avant, Tiptronic, A1, A2, A3, A4, A5, A6, A7, A8, S3, S4, S5, S6, S7, S8, TT, RS4, RS 6, R8, Q7, Q5, Q3 and allroad quattro are trademarks of Audi AG and are used with their permission.

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