LS1TECH - Camaro and Firebird Forum Discussion - I'm Lost...What Causes These Codes? Please help me.

For the past month or so my car has been acting up and I can't for the life of me figure out why. I would like to do spending the least amount of money as possible.

I scanned my car today and I had 5 codes.

P0153 - Slow Response Bank2 Sensor 1

P0300 - Engine Misfire

P1133 - Bank 1 Sensor 1 Insufficient Swtiching

P1153 - Bank 2 Sensor 1 Insufficient Switching

P1416 - Secondary Ait Injection Bank 2

Here's my situation...I put in NGK TR55s, MSD wires, Bosch 13111 O2's and a new fuel filter back in November.

So about a month or so ago I was driving home and I threw the misfire code, then I threw the 02 sensor code. SO I replaced the the Bank 2 sensor 1 about 2 weeks ago and I am still throwing that code. I swapped my coil pakcs with my friends to see if maybe I had a bad coil pack, still does it. I haven't pulled the plugs yet, I have a feeling that it's not them, because it only acts up occasionally. I have tried to have HPtuners hooked up to and see if it will do it, but I have had no luck. Everytime I hook up a tech 2 or hp tuners it won't misfire and it runs normally. But I swear as soon as it's unhooked it will do it. So i'm getting tired of dealing with it, does anybody have any clues as to what it is?

Anybody ever have this happen?