Leak-down test...Analysis?

Originally Posted by Paul Workman

At idle the pressure was steady at 43#. I shut off the ignition, and after 20 minutes, it had leaked down by only 2#. I concluded the injectors are at least not leaking.

Paul, don't worry about a leak down over a 20 minute period. What's the leak down after 30 seconds?

Also injectors can fail on several issues. One being stuck open or closed, but also in the nozzle with puddling or not atomizing correctly.