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Originally Posted by Stu
Thanks, so it's the starting point you adjust, so it can have an effect throughout the rev range.
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Can and will. However, I reckon (having done the TPS adjustment) that this is a very small difference.
Once you make the modification, the throttle moves less to increase (I'm assuming it's an increase, I haven't tested) the resistance given, which drops the current flowing to the ECU.
Obviously if you change how soon this resistance (by removing the null area of throttle play - as far as the FI is concerned), there will be a greater resistance at any given throttle position after the adjustment is made, when comapred to before the adjustment is made.
However, due to the nature of the device used as a TPS (yo-yo resistor), this is likely to be very small.
So yea, an "improvement" at all revs, but the higher the revs go, the less difference is noticed. Or at least, that's my findings.