Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - Smog in Cali, Any1 have an idea of what it could be?

Chaluska · 10-03-2011, 07:07 AM

most definitely restricted EGR, take out the assembly, check all vaccum hoses, and clean out the EGR valve... also check the egr metal pipe from the header to the egr valve. You either have a leak, or a restriction

NOX = EGR

10-03-2011, 07:07 AM	#2
Chaluska Zilvia Addict Join Date: May 2008 Location: Missouri City, TX Age: 41 Posts: 997 Trader Rating: (2)	most definitely restricted EGR, take out the assembly, check all vaccum hoses, and clean out the EGR valve... also check the egr metal pipe from the header to the egr valve. You either have a leak, or a restriction NOX = EGR __________________