Did you do the bigger injectors at the same time you did the sensor?
Those injectors are very loud, almost sounds like an exhaust leak at first.
Nope, sensor some time prior to injectors. Ticking might be louder with the new injectors but that could be just my imagination.
It could still be injectors AND the sensors though; what if my mount point on the sensor causes sounds from the injectors to be transmitted straight to the body, while normally they are damped by the engine and so forth? In other words, it isn't the sensor per se, but the fact that it creates a sounding board for the injector system.
I don't actually mind it so much, what with the new exhaust, new intake, new clutch, this is just one more bit of shake rattle and roll that keeps reminding me of how crazy modded my little car is. Only reason I perked up about it in this thread was that if it's something Other than a natural consequence of my mods, maybe I need to get it looked at.