Originally Posted by Mohen
fuel pressure is ok, there is no boost leak noted and also i have no check engine light. We did a log and noticed a knock when it made peak boost. Going to reflash the ECU and hope for the best.
By flashing the ecu it's the same thing as resetting it and if now you are hearing a knock when you make full boost there is clearly sonething wrong vacuum wise or internally, you can destroy the motor continuing to drive the car like that.
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