Related note, given the consequences for using the pump, a rating 3 pump could easily be fatal.
"When time’s up, you crash and take Stun damage equal to the number of combat rounds the pump was active (use unaugmented Body to resist the damage)."
So up to 18 damage, on top of what I already racked up. This is straight up a bad rule. Slapping a character with an absurd amount of damage is completely imbalanced and needlessly debilitating on a rules level. This edition has conditions. Use them instead. Maybe apply Stun Damage equal to 2 x the rating also, but the conditions are a better consequence here. Those can last for (Rating)d6 increments, and maybe be relieved with a medkit use.
Also, maybe read up on how massive shots of adrenalin work out. It's pretty bad.
https://en.wikipedia.org/wiki/Adrenergic_stormAnother rules issue here too:
"While the pump is active, you ignore injury modifiers, don’t fall unconscious even if your Stun Condition Monitor is filled, you can’t rest, and the adrenaline pump’s rating is added to your Strength, Agility, Reaction, and Willpower attributes."
Now I need to know if this applies against my +4 maximum attribute boost limit or not. If it shouldn't stack, specify that in the text ("This boost cannot cause you to exceed the limit of +4 bonus to your attributes"). If it's supposed to stack, call it out as such, and phrase it that you additional dice equal to the pump's rating to tests involving these attributes.
Also, it should not add to Agility, given the effects adrenalin actually has. If anything it should act as a penalty.
Easiest thing would be to drop this bioware completely, deal with it in a splat book when it's been better thought through. If this implant could provide the benefits it does, it would also render you non-functional. This is a retro hangover from it's 1990s origins when the mythology of adrenalin was still in it's heyday. Make it a specialized gland that secretes a new synthesized neo-adrenephrine thingee that does what you want it to (as a successor to the original bioware, made necessary by the number of stroke victims from the first generation version).