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Summary of change:
This customer project is an Audi 4000q with a BHF code Audi S4 v8 engine. The car will be running a VEMS engine management system which raises some questions: The stock engine uses a constantly variable VVT (Variable Valve Timing) system that is controlled via a PWM output from the factory ECU. we have logged how this system is controlled by the factory ECU using vagcom (I will upload a graph shortly). Question: I have seen reference to full PWM based VVT control in earlier firmwares but it does not seem to be supported in 1.1.6x. Are there any plans to re-introduce this feature?
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