Hey mate, after removing the cold start, you'll have to tune the other screw in order to get the fueling proper...
try this, when starting the car, put the pedal down, so the car can start, and then tune it until the revs keep up to 800 or 1000
try this, when starting the car, put the pedal down, so the car can start, and then tune it until the revs keep up to 800 or 1000