my ka24e wont pass smog - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

eliminator024 · 01-20-2011, 01:44 PM

I have a 1990 240sx and it wont pass smog I live in socal
my results were

15mph/ hc 168/ co 5.56/ no 655
25mph/ hc 121/ co 5.93/ no240

What is wrong with my car I have resently put in the engine about 3 months ago I have upgreaded exaust headers and 2.5 pipeing could that be the cause the o2 sensor is only on the fourth cylinder as well

My tags are alresy up and I don't have a car to drive plese help

01-20-2011, 01:44 PM	#1
eliminator024 Join Date: May 2010 Location: riverside Age: 33 Posts: 37 Trader Rating: (1) Feedback Score: 1 reviews	my ka24e wont pass smog I have a 1990 240sx and it wont pass smog I live in socal my results were 15mph/ hc 168/ co 5.56/ no 655 25mph/ hc 121/ co 5.93/ no240 What is wrong with my car I have resently put in the engine about 3 months ago I have upgreaded exaust headers and 2.5 pipeing could that be the cause the o2 sensor is only on the fourth cylinder as well My tags are alresy up and I don't have a car to drive plese help