I replaced the secondary air injection valve along with the 2 knock sensors because all sorts of of chistmas lights were lighting up on my dash. The car had no power before I changed it and now it feels the same. It doesn't want rev. Did I happen to make a mistake?

 

What codes did you have before/after?

Chip H.

 

I got p0333 for the knock sensor and something for the air pump but I forgot what it was

 

Now I have no more codes and I hope nothing else comes up

 

Try disconnecting the battery for about 10 minutes. You'll have to reprogram the windows & seat memory afterwards.

Chip H.

 

This sounds like the best option, here is how you reset your windows https://www.clublexus.com/forums/gx-...-or-reset.html

 

Yes I left it unplugged for the whole entire day as well as overnight and it still drives the same.

 

Clear out all code including ones stored(not displayed).

 

Can leaking fuel cause it to be weak?
I noticed the fuel injector was leaking out of the top because the tan retainer/spacer on top of the fuel injector o-ring was missing for some reason. Maybe it broke off when I was removing the fuel rail.
Anyway I bought a new one and replaced it. No more leaks from what I can tell, and now it feels normal.