Smog Techs, need your thoughts and opinions - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

nightwalker · 02-08-2005, 10:04 PM

Just got my car smogged. I tweaked it a bit to ensure that I would pass. Pretty good for a guy still learning drivability. Thoughts? Check out the readings.

15mph:
CO2: 15.5%
O2: 0.2%
HC: 51ppm
CO: 0.06%
NOx: 782ppm <--cold cat! :hammer:

25mph:
CO2: 15.5%
O2: 0.0%
HC: 17ppm
CO: 0.02%
NOx: 73ppm <--told you guys it was a cold cat.

Honestly, this is unusual. I've never seen CO2 above 14.8% How the heck did I get 15.5%? What's up Ritz? You smog cars every day, what do you think? Westborough?

My mechanic friends are all

???

AllenRPS13 · 02-09-2005, 12:54 AM

how about your ignition timing? is it pass? because last time i smog, also the similar situation, but ignition timing also have problems

02-08-2005, 10:04 PM	#1
nightwalker Nissanaholic! Join Date: Mar 2003 Location: Bay area Age: 46 Posts: 2,146 Trader Rating: (0) Feedback Score: 0 reviews	Smog Techs, need your thoughts and opinions Just got my car smogged. I tweaked it a bit to ensure that I would pass. Pretty good for a guy still learning drivability. Thoughts? Check out the readings. 15mph: CO2: 15.5% O2: 0.2% HC: 51ppm CO: 0.06% NOx: 782ppm <--cold cat! :hammer: 25mph: CO2: 15.5% O2: 0.0% HC: 17ppm CO: 0.02% NOx: 73ppm <--told you guys it was a cold cat. Honestly, this is unusual. I've never seen CO2 above 14.8% How the heck did I get 15.5%? What's up Ritz? You smog cars every day, what do you think? Westborough? My mechanic friends are all ??? __________________ In life, we often cast the line of hope fishing for the best possible opportunity. Sometimes with enough effort, the things we catch are nothing short of amazing.

02-09-2005, 12:54 AM	#2
AllenRPS13 Zilvia FREAK! Join Date: Sep 2004 Location: Bay Area (East Bay) Age: 41 Posts: 1,294 Trader Rating: (0) Feedback Score: 0 reviews	how about your ignition timing? is it pass? because last time i smog, also the similar situation, but ignition timing also have problems __________________ ~小アレンのリベリオン~ いくせ, 勝負た! 轟こう, オレのKRMS13!!! オレの得意技！蹴り進入！角度の少ないドリフト！