pulling codes p0120 and p1705 help!

[rb25crazy]

alright...

So, I just changed the egr valve and pipe, changed spark plugs from ngk iridium to denso dual tip spark plugs, change rotor cap, and rotor on the distributor, cleaned the hole above the throttle body with a vent cleaner brush, also sprayed carb cleaner into that hole and cleaned it with the vent brush.

some people say that if you spray the carb cleaner your car may not start up that was not the issue for me.

After i did all this, my car pulled up codes.... prior it had no codes and was running great....

Not sure how this make any sense, i changed those parts to pass smog and now i have more problems what the heck...

I am perplexed and confused... and super annoyed please help if you know thanks!

Driving, when I tap the gas it feels like lag before it finally revs like a 1 second lag, when the car starts up cold it runs fine, but after 10-15 secs it goes from idle to like 500rpm then stutters and dies.