Throttle Blade Setting?

michbc3

Member
I have an aftermarket 70 mm throttle body. How do I properly set the throttle blade screw at idle using ecu-GN and Tuner Studio?

I used to run an Accel Gen7 system using CALMAP and there was a screen for minimum IAC position vs. coolant temperature that you could view while making the blade adjustment.
 

EricM

Administrator
Staff member
Same as stock, turn the screw while watching the IAC number on the laptop dash, or scantool, so its around 20 or so when hot in park. Make sure the TPS doesn't go over 1% during the adjustment (TPS% is also on the laptop dash). Recalibrate the TPS % when done.

If you're starting from scratch, and the engine hasn't been run yet, then I would open the blade about 2 turns on the screw, and go from there.
 
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