I fixed my injector issue today.  Turned out to be a loose spade on the switch used for the secondary injector disable switch..   So its true, installation of those switches both caused the problem, and helped me solve it quickly.

Thanks for everyone's help.
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David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net