This bulletin announces availability of reprogramming files for optimization of the ECM. The files will...
Subaru technical service bulletin 11-163-16 for 2015-2016 Subaru WRX STI.
- Bulletin number
- 11-163-16
- Component
- Engine
- Summary
- This bulletin announces availability of reprogramming files for optimization of the ECM. The files will address customer concerns of a lack of engine power output resulting from reduced turbocharger boost at high ambient temperatures while using 91 octane fuel.
Owners of these vehicles have filed 3 complaints in the engine category.
Vehicles covered
- Subaru WRX STI 2015-2016 20152016
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