Injector stuck open, replaced still stuck open.

[CTScott]

Originally Posted by CoryM

I was going to offer that as well, but CTScott is far more knowledgeable in this area than I. I'm curious what failed though; I've not seen a driver circuit short to ground before.

Cheers.

FETs failing closed is actually fairly common. They can fail either way.

[CoryM]

Originally Posted by CTScott

FETs failing closed is actually fairly common. They can fail either way.

Good to know. I guess when I'm looking at them, it's usually because someone has done something stupid and melted it

Cheers.