Failed emissions for the second time today. I have a turbotweak emission chip installed, even put heat in the gas tank this time
. Haven't got a clue what's causing it...any ideas??? Here it is:
HC....reading 3.51 limit 0.8 FAIL
CO....reading 9.23 limit 15.0 PASS
NOX..reading 2.67 limit 2.0 FAIL
I also put my stock injectors back in after the first failure and got the HC reading to go down a bit (it was over 4). I have basically the same set up in my car that passed two years ago. Any suggestions would be appreciated.