Problems with reman Q-Jet: round two

[SilveradoDude]

Originally Posted by cadillac_al

After all that, your throttle plates should be closed pretty tight. I wonder if the secondaries are sticking open a little. I had a couple that the secondaries would hang up. I also had a couple vehicles that I couldn't get idled down and I resorted to ported vacuum for the distributor. Those could have been vacuum leaks that I couldn't find.

How do I check the secondaries to see if they are hanging?