I will speculate.
Your engine normally runs slightly lean.
But since it is cooler (environment), the cold start valve works for a longer time injecting more fuel, hence running better.
Try to read your DC or EHA current to see how you are running.
__________________
1999 Porsche 996 Carrera Convertible
1994 420E - SOLD
1986 300E - SOLD, what a car
609 Certified
|