It was basically just a "decent tune up". Karsten (yellow t-shirt and overalls) did all the tinkering, Bernd checked what Guzzidiag can check. They set the TPS (goal was 160 mV, it ended up at about 158), balanced the throttle bodies, set the CO trim. For the CO, they started at -20 and varied back and forwards in steps of 10 to see how it reacted. The focus was on just off closed throttle, i.e. how snappy it was when the throttle was opened from idle. The final setting was -20. Yeah
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