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Originally Posted by Daves1SS
Never mind my request for you to email me this data, Ed. I had not seen this thread when I replied to your PM.
So are you experiencing any pulsing in the power delivery like me? Or does your first screen shot just make it look like it but it feels fine?
Mine is dramatic though, like it will cut out for even a full second at times then come back on strong. I'm hoping mine is just an actuator issue.
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My pulsing is noticeable, but minor. The fluctuations in the screen shot don't seem right to me. On a turbo car, I would go straight to the wastegate actuator and do some testing with a vacuum pump. The fluctuations like this on a turbo is usually a sign that the wastegate is being blown open, pressure relieved, wastegate slams shut, repeat. Usually a higher pressure wastegate actuator solves this problem.
But a turbo is a centrifugal device, so I shouldn't make too close of a comparison. The pulsing could be an artifact of this type of FI, or some software issue, but I don't have enough experience with these PDs to know any better.