Chasing some guidance as to how I can tune out the dead spot I'm encountering under initial accelerator pedal movement on a supercharged 3.6 wrangler. This dead spot only occurs under the first ~1/4" of pedal movement and makes low-speed offroad manoeuvring rather tricky. This would be the equivalent to "cable slack" on a mechanical throttle system.
Through the scanner I've found that the "Accelerator Pedal Position 1" voltage and corresponding "Accelerator Position D" % do in fact track these small initial pedal movements but the "Accelerator Pedal Position" voltage and the "Commanded Throttle Actuator" % do not.
As shown at the cursor position in the above capture, the "Engine RPM" only begins to respond once the "Commanded Throttle Actuator" (which I assume is the actual throttle blade position) is >2%. This only occurs once the pedal is depressed ~1/4", which corresponds to:
Accelerator Pedal Position 1 = 0.645V Accelerator Position D = 12.941% Accelerator Pedal Position = 0.0196V
Where the no-foot pedal corresponds to:
Accelerator Pedal Position 1 = 0.435V Accelerator Position D = 8.627% Accelerator Pedal Position = 0.0000V Commanded Throttle Actuator = 1.176%
Any ideas as to how I can eliminate the dead spot and improve this initial throttle response?
Tune and corresponding datalog attached.
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