Just had a buddy with an 04 develop a tick. It turned out to be one of the injector line supports was not tight. They tightened it up and solved his problem.
Saw that you have pulled your injectors. Do you have to remove those clamps to do that?
Just another thought.
Randy
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03 SO/Auto, QC/4X4, TST/Smarty, Boost/Fuel/Pyro/Rail Pressure, SPS-62, Goerend, Amsoil 4510, Airdog, Arson Kit, GDP Power-Flo, Grid Eliminator, Fuel Tank Vent Mod, Donaldson 51", Flux 1's, ARP, 613/1171, 13.16@108.2