2 things first when you spray the inside of the airflow meter
with carb cleaner it sits in the intake so that right there is like choking the engine have to wait until it desolves.second
while cranking the engine crack open very minute 2 or 3 injector lines as your doing this it will tell you if fuel is going out to the injectors.mine did the same thing left it alone the next morning it started right up.hope this helps