Deciphering Emission Readings - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Thread Tools Search this Thread
Old 04-08-2004, 03:59 PM   #1
Posts like a V-Tak
Thread Starter
Join Date: Oct 2003
Location: Dallas
Posts: 32
Thanks: 0
Thanked 0 Times in 0 Posts
rnbraud is on a distinguished road
Default Deciphering Emission Readings

Could some of you experts tell me if these emission readings are good or bad. I am troublshooting shitty gas mileage on my 95 ssei

High Speed Results
HC(PPM) 7 std 114
CO 0.00% std 0.63%
co2 15.0%
o2 0.1%
NOx(ppm) 234 std 796
DILUTION 15.0% std > 6%

Low Speed Results
HC(PPM) 12 std 117
CO 0.00% std 0.65%
co2 15.0%
o2 0.1%
NOx(ppm) 192 std 796
DILUTION 15.0% std > 6%

rnbraud is offline   Reply With Quote

Related Topics
Thread Thread Starter Forum Replies Last Post
emission inspection test result report aukc General GM Chat 7 03-07-2005 08:30 AM
Evaporative Emission Control System Incorrect Purge Flow Merlin 91/97 1992-1999 1 08-11-2004 01:02 PM
HELP WITH EGR !!! failed emission Drifter420 1992-1999 30 04-21-2004 12:23 PM
emission test with S/Cless Drifter420 1992-1999 10 03-24-2004 04:15 PM
bonnie failed the nox in emission test rrrddgy 1992-1999 4 03-01-2004 02:21 PM

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

All times are GMT -4. The time now is 07:02 PM.

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites.