Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - HiGH NOx smog test need any help to pass!!

miklos · 11-25-2009, 08:17 PM

I know a new cat will make the car pass.......but Gold Shield gives them out last after they do everything else. And since I'm running rich---the cat would go out in 3 months.........so I might as well fix the richness and stop wasting gas.

11-25-2009, 08:17 PM	#6
miklos Zilvia Member Join Date: Sep 2006 Location: South Bay California Posts: 269 Trader Rating: (0)	I know a new cat will make the car pass.......but Gold Shield gives them out last after they do everything else. And since I'm running rich---the cat would go out in 3 months.........so I might as well fix the richness and stop wasting gas.