Can you try this config? Based on the following message:

• Dat throttle - 5
• Clk throttle - 6
• Dat brake - 3
• Clk brake - 4
• NO CLUTCH USED

#include "Pedals.h"

Pedals pedals;

void setup() {
  Serial.begin(115200);
  pedals.setThrottleOn(true);
  pedals.setThrottleBits("20bit", "10bit");
  pedals.setThrottleLoadcell(5,6);

  pedals.setBrakeOn(true);
  pedals.setBrakeBits("20bit", "10bit");
   pedals.setBrakeLoadcell(3,4);

  pedals.setClutchOn(true);
  pedals.setClutchBits("20bit", "10bit");
  pedals.setClutchAnalogPin(A1);

  pedals.setup();
}

void loop() {
  pedals.loop();
}