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CorvetteForum - Chevrolet Corvette Forum Discussion
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Threads Tagged with
nox
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Last Post
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Forum
NOX too high on smog test?
Kale
on 12-06-2001
10-25-2023
01:37 AM
by
Ricks94vette
11
1,489
C4 Tech/Performance
Failed Smog
DEJ08
on 01-05-2012
01-09-2012
05:20 PM
by
Will's'74VetteL-82
7
6,902
C4 Tech/Performance
Emission Control System for the LT1
c92vette
on 10-11-2011
10-11-2011
10:24 AM
by
1963SS
2
2,643
C4 Tech/Performance
Failed Emmissions test ?
daddysvet92
on 05-15-2011
05-21-2011
11:48 PM
by
daddysvet92
11
1,668
C4 Tech/Performance
Failed Emmissions Test?
daddysvet92
on 05-15-2011
05-15-2011
01:13 PM
by
mike100
1
738
C4 Tech/Performance
My ZR-1 failed smog
Bowtiefan
on 12-28-2010
01-11-2011
03:13 PM
by
Bowtiefan
13
1,443
C4 ZR-1 Discussion
Smog Advice High NOX - Opinions Wanted
(
1
2
)
gambler669
on 12-23-2010
12-26-2010
01:28 AM
by
PLRX
30
2,635
C4 Tech/Performance
FAILED CA. smog test. Suggestions on remedy?
(
1
2
3
...
Last Page
)
CorvetteMike2024
on 11-22-2010
12-18-2010
01:52 PM
by
jeffp1167
138
9,427
C4 Tech/Performance
high nox on smog test
bobkart
on 08-05-2010
08-06-2010
01:12 AM
by
BuzzinHornets
3
1,059
C4 Tech/Performance
VA emissions
(
1
2
)
Rkreigh
on 06-16-2010
07-27-2010
01:05 AM
by
ßill
20
2,005
C4 ZR-1 Discussion
CA SMOG-Pass
PLRX
on 06-01-2010
06-07-2010
01:01 AM
by
PLRX
18
1,172
C4 General Discussion
Houston guys--passing emmissions test--failed NOX
Jack Daniels
on 10-02-2009
10-02-2009
07:23 PM
by
Jack Daniels
0
319
Southwest
1985 with high NOX
jaysteele
on 08-16-2009
08-17-2009
12:25 PM
by
jaysteele
2
658
C4 Tech/Performance
So My car failed Emissions...
(
1
2
)
RandyJ75
on 05-14-2009
05-16-2009
08:05 AM
by
ddahlgren
20
1,863
C4 Tech/Performance
Failed emissions.... Cats?
(
1
2
3
)
Umrswimr
on 03-29-2008
04-01-2008
07:53 PM
by
SunCr
45
2,355
C4 General Discussion
Best way to lower nox emissions
95Torch
on 02-11-2008
02-13-2008
08:42 PM
by
steve haverl
11
2,346
C4 General Discussion
Understanding the 3 cat L98 system and emissions
GREGGPENN
on 10-30-2007
11-01-2007
10:55 AM
by
GREGGPENN
17
1,231
C4 Tech/Performance
fuel filter clogged
plaidside
on 08-11-2007
08-12-2007
07:40 PM
by
mechron
4
632
C1 & C2 Corvettes
ok...i failed emissions..oxides of nitrogen failure
(
1
2
3
)
ittybittyfds
on 02-26-2007
07-14-2007
07:32 PM
by
qwiketz
53
6,203
C4 Tech/Performance
Just failed emissions, NOx was way high and no HC.
1stvette94
on 12-14-2006
02-10-2007
02:30 PM
by
Jim McCombe
18
4,858
C4 Tech/Performance
OBD2 Code P2001
kelp
on 08-31-2006
09-01-2006
09:49 PM
by
kelp
7
1,562
C6 Tech/Performance
High NOx when smogging
qwiketz
on 08-08-2006
08-09-2006
07:03 PM
by
qwiketz
2
636
C4 Tech/Performance
failed emissions again... suggestions?
(
1
2
3
)
Thrak
on 07-29-2006
08-05-2006
07:54 PM
by
toptechx6
51
1,845
C4 Tech/Performance
Anyone from a tough Smog State...?
(
1
2
)
ETM
on 07-20-2006
07-31-2006
04:31 AM
by
Kalway
37
1,076
C3 Tech/Performance
Failed emissions for NOX, rough idle....?
XtremeVette
on 06-27-2006
06-28-2006
10:56 AM
by
Don in Vermont
12
1,336
C4 Tech/Performance
HELP! failed emissions (Nox reading)
WEH 2000C5
on 06-08-2006
06-08-2006
08:07 PM
by
JoeF95
12
1,032
C4 Tech/Performance
HELP 91 ZR1 NOx too high
vetteboy78
on 05-24-2006
05-25-2006
11:45 AM
by
vettl83
3
477
C4 ZR-1 Discussion
Failed Smog! Old cats, maybe? Any suggestions?
jcsr72
on 11-08-2005
11-10-2005
11:13 AM
by
jcsr72
19
599
C4 Tech/Performance
Can a bad knock sensor cause poor emissions?
Stngray
on 10-27-2005
10-28-2005
12:37 PM
by
Stngray
3
481
C4 Tech/Performance
Failed emissions, high NOx ('89 L98) - PLEASE HELP!
TheCorvetteKid
on 09-11-2005
09-11-2005
09:33 PM
by
Aggravated4life
6
1,577
C4 Tech/Performance
Failed emissions / high Nox
SS409 425HP
on 08-17-2005
08-19-2005
12:32 AM
by
SunCr
8
888
C4 Tech/Performance
Failed Inspection
delpa
on 03-03-2004
03-03-2004
11:52 PM
by
zwede
4
745
C3 Tech/Performance
failed smog - high HC's - help please
martinsw
on 02-10-2004
02-12-2004
03:24 PM
by
The Dude
9
2,479
C3 Tech/Performance
smog tests-What's the best way to drop nox?
GTR1999
on 01-13-2004
01-13-2004
07:36 PM
by
zwede
12
2,260
C3 Tech/Performance
What did I do wrong?
(
1
2
)
oprahrider
on 01-04-2004
01-09-2004
07:37 PM
by
jimgessner
30
1,795
C1 & C2 Corvettes
Emissions Test Failure - High CO
JackHutchison
on 12-02-2003
12-02-2003
08:43 PM
by
AGENT 86
1
1,012
C4 Tech/Performance
How can I lower my NOx emissions?
DuceXcreW
on 10-18-2003
10-19-2003
10:01 AM
by
DuceXcreW
8
1,080
C5 Tech
Would someone mind posting a few pics for me
69 N.O.X. RATT
on 09-20-2003
09-22-2003
06:12 PM
by
69 N.O.X. RATT
19
643
C3 Tech/Performance
Failed emissions. Any ideas?
(
1
2
)
92TripleBlack
on 08-29-2003
09-07-2003
09:55 PM
by
GS 163
24
1,291
C4 Tech/Performance
Octane boosters....any good?
vetteguy75
on 06-24-2003
06-26-2003
02:22 PM
by
garagedweller2
17
832
C3 Tech/Performance
NOX high again...
Kale
on 05-17-2003
05-18-2003
07:06 PM
by
CorvetteZ51Racer
5
584
C4 Tech/Performance
How much can you mill heads and not put things out of whack / compression increase ?
69 N.O.X. RATT
on 12-09-2002
12-10-2002
08:11 PM
by
69 N.O.X. RATT
5
11,727
Engine Mods
Finally Passed Dyno Emissions Test..... Helpful Hints inside....
Marcho Polo
on 10-03-2002
10-05-2002
01:03 AM
by
1SLO POK
11
1,978
C4 Tech/Performance
O2 sensor and high NOx reading
twotone82
on 10-03-2002
10-04-2002
09:32 AM
by
BeaterShark
6
2,254
C3 Tech/Performance
Failed emissions because of high nox reading...whats the cause?
Vette9d1
on 06-08-2002
06-08-2002
08:20 PM
by
PeteL
6
496
C4 Tech/Performance
how can i tell if my fuel pressure regulator is bad??
CDaniel525
on 03-27-2002
03-29-2002
12:54 AM
by
69 N.O.X. RATT
5
1,530
Engine Mods
81 failed Emissions test
(
1
2
3
)
ksems
on 03-14-2002
03-17-2002
01:38 PM
by
ksems
41
2,912
C3 Tech/Performance
Octane Booster Suggestions.
SprintCarDriver
on 02-28-2002
03-01-2002
11:50 AM
by
SprintCarDriver
11
703
C3 Tech/Performance
Just failed IM240
(
1
2
)
91Yellow1
on 01-28-2002
01-29-2002
07:10 PM
by
CFI-EFI
23
1,157
C4 Tech/Performance
NOX on L98
Finland
on 09-18-2001
09-29-2001
02:24 PM
by
Finland
6
515
C4 Tech/Performance
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