Alright I was recievng a P0168 code tried everything coulnt fix the car it kept reading engine disabled. I replaced the pcm through GM. Now im getting a P0172. Iv replaced my first 02 sesor. Iv replaced my airfilter (stock intake). I have a Brandnew throttle body (stock). I replaced the MAF sensor on the supercharger thats new. Basicly I havent been able to get a sticker on this car in 6 months its throwing code after code. Any ideas on why it is still running rich. My vacume hoses dont look damaged im out of ideas. help please.

 

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