Threads Tagged with nox

85 944 NA not passing Smog (high NO)

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1 2)

944Erdo on 12-17-2020

03-21-2021 09:24 AM
by T&T Racing

24

3,951

944 & 944S Forum

15, 25, acetone, california, cat, faild, failed, gas, methenal, mph, nox, oxygen, pass, sensor, smog

Passed smog after 7 tries! [was: Help - Failed smog 5 times (New cat + O2 sensor)]

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1 2)

Foz on 11-12-2011

10-06-2016 06:48 PM
by smogstaronly

15

15,068

New 928 Owner, High NOx, MAF investigation, Blinkr

coach928 on 06-23-2016

07-23-2016 09:01 PM
by dr bob

13

2,896

1694, 993, emission, emissions, emmissions, failed, fire, high, miss, nox, porsche, ppm, results, solve, test

Failed Emission test

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1 2 3 4 5)

ROG100 on 03-25-2004

02-24-2015 02:20 AM
by granprixweiss928

62

6,742

Help! Failed CA Smog (High NOx)

jeremymilo on 11-15-2014

11-24-2014 09:58 PM
by jeremymilo

14

4,472

22, 300, 300zx, 91, atlanta, check, emissions, failed, find, ga, high, mityvac, mv8000, nox, tt, zx

ARRGGGH! Failed emissions again...

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1 2 3 4)

finally! on 10-30-2012

06-08-2013 01:52 PM
by ROG100

52

5,483

60, 725, 93, ca, detected, e85, failed, francisco, gas, gasalter, hc, higher, nox, octane, prior, reading, san, smog, test, testing

Smog test ahead: Will high octane gas alter smog test results?

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1 2 3)

Crazy Eddie on 01-13-2013

01-23-2013 06:07 PM
by Crazy Eddie

33

35,162

"Gross" failure of SMOG test! Going for the retest soon!

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1 2)

bonus12 on 10-16-2012

10-20-2012 12:15 PM
by doabarrelroll

16

1,707

242, ca, california, co, explorer, fail, failed, failure, hc, high, low, nox, o2, smog, speed

Another CA smog failure

Tom_DB1 on 04-20-2012

04-22-2012 12:05 AM
by Dave W.

3

698

actual, ca, california, car, caused, check, chip, fail, failure, harness, nox, pre, pretest, smog, test, versus, whittier, wiring

Failed CA Smog! Can someone recommend me a good indy mechanic in torrence CA?

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1 2)

s329 on 03-19-2012

03-23-2012 03:29 PM
by rusnak

23

2,333

911 Forum

15, 1994, 99, ca, durango, explorer, fail, failed, ford, high, mph, nox, ppm, rainy, smog, test, testing

Another NOX failure

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1 2 3 4 5)

Bill Ball on 01-19-2012

01-24-2012 07:05 PM
by Speedtoys

67

4,941

1994, adjusting, afm, autothority, camry, catalytic, chip, converter, county, emission, emissions, failed, moved, nox, toyota

failed emissions "any ideas"

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1 2 3)

Kburke on 03-13-2009

11-11-2011 10:24 PM
by KaliforniaKid

32

4,208

944, 951, 968, antiseize, bolt, cayenne, knock, nox, porsche, replace, seized, sensitive, sensor, worry, wrench

Knock Sensor Replacement

Player0 on 08-30-2011

08-31-2011 08:58 PM
by Player0

6

5,981

320, 81, area, bay, ca, california, car, cat, cats, check, nox, pass, passed, passing, smog

Anyone ever passed smog with no cats?

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1 2 3)

BC on 05-10-2011

07-31-2011 12:03 PM
by Maleficio

35

5,762

1983, 928, failed, failin, high, lean, miata, nox, running, smog

Failing smog on high NO. Source of cats for California?

Mark SF on 07-28-2011

07-28-2011 07:12 PM
by Hilton

6

696

1997, 604, chassis, cover, crate, dragstrip, dyno, gmc, home, ks, lawrence, levels, made, nox, pipe, pvc, reduce, road, smokey, sonoma, valve, yunicks

early dyno results

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1 2 3 4 5 ... Last Page)

andy-gts on 01-29-2011

03-29-2011 03:01 PM
by blown 87

684

61,731

964 turbo 3.3 failed ca smog NOx, any suggestion?

pjkid on 07-02-2010

07-12-2010 05:32 AM
by WPOZZZ

3

645

964 Turbo Forum

1983, 944, emissions, emmissions, fail, failed, feel, fqs, fuel, high, measured, nigh, nox, porsche, quality, rich, runs, switch

NOW I feel like a 944 owner! Another failed emissions.

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1 2 3 4)

Geldfalle 944 on 05-24-2010

06-08-2010 01:01 AM
by docwyte

46

4,418

968, col, colo, colorado, denver, emission, emissions, fail, failed, fails, fixed, hc, high, nox, test

Failed Colorado emissions HC & NOx - PASSED!!!!

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1 2 3 4 5)

CO951 on 04-12-2010

05-21-2010 02:23 AM
by CO951

66

33,266

1986, 84, 944, canada, emissions, failed, fuel, high, injectors, lower, mustang, nox, porsche, test, vw

Any more thoughts on high NOX emissions?

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1 2)

neilh on 04-21-2010

04-22-2010 03:42 AM
by karl ruiter

28

5,793

1989, 928, air, cis, cold, delete, deletion, effect, eliminate, emission, nox, pump, remove, starts, van

airpump delete effect on emissions

Ad0911 on 02-14-2010

02-15-2010 09:54 AM
by Tom in Austin

7

1,038

325, 944, bmw, emission, emissions, fail, failure, hc, liters, low, m3, nox, porsche, ppm, speed, testing

Emission failure (BAD)

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1 2 3)

danny951 on 11-09-2009

11-28-2009 03:10 PM
by brad-cam

30

3,888

1994, 530i, 94, 968, bmw, ca, hc, heet, injector, nox, pass, porsche, problem, smog, tests, turbo

Failed smog test...

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1 2)

MacinTek on 10-31-2009

11-08-2009 08:54 PM
by FRporscheman

23

2,605

968 Forum

1981, 83, air, camaro, cars, cat, engine, euro, function, injection, megasquirt, nox, older, pipe, pump, reactor, sawdust

83 Euro engine air injection

Tom. M on 10-19-2009

10-20-2009 10:22 AM
by WallyP

7

978

2009, 25mph, 850, acetone, emission, failed, hc, high, low, miata, nox, pass, smog, test, update, volvo

Seriously failed smog test - Update 6-/18

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1 2)

KuHL 951 on 06-05-2009

06-18-2009 11:07 PM
by KuHL 951

29

4,585

964, backpressure, check, co2, decarbonizing, emissions, howto, increasing, levels, lower, lowering, nox, porsche, reading, smog, test

How to lower NOx for smog test?

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1 2)

Richard S on 05-16-2009

05-19-2009 11:47 AM
by ptuomov

28

48,751

1995, 94, chevy, emissions, fail, gmc, hc, high, nox, rich, running, sierra, silverado, smog, texas

Emissions: High HC and High NOx

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1 2)

MBMB on 06-02-2008

06-07-2008 03:27 PM
by IcemanG17

15

2,312

944, 951, altitude, barbara, car, due, failed, gross, nox, polluter, porsche, santa, sensor, smog, turbo

Smog Help ! Failed CA Emissions - Gross Polluter

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Mike S on 01-07-2005

04-01-2008 03:48 PM
by RPHARRIS

83

6,320

944, cat, cats, fail, failed, francisco, high, lt1, magnaflow, nox, san

Magnaflow Cats - AVOID

Mongo on 03-10-2008

03-10-2008 03:09 PM
by Imo000

7

888

boxster, check, fail, failed, hc, high, interpret, low, nox, numbers, ppm, results, rpm, sensor, smog, speed

Smog results, High NOx and solution

Richard S on 02-16-2008

02-16-2008 09:41 PM
by IcemanG17

1

1,733

2007, 911, ca, california, cat, fail, high, nitrous, nox, obd1, obd2, oxide, ppm, reading, reduce

High Nox (PPM) '87 911 - California

divesnob on 12-12-2007

01-09-2008 03:40 PM
by Peter Zimmermann

10

1,088

911 Forum

camry, dodge, fail, francisco, gross, in, max, nox, pass, polluter, poluter, ram, san, smog, tennessee, trade

I am a gross polluter

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1 2 3)

Andial951 on 08-13-2007

08-20-2007 01:36 AM
by PCA 944

35

2,193

997, aircare, bg, carbs, colt, decarb, dodge, good, hc, high, idle, jaguar, nox, porsche, products

Failed Emission / Aircare ?

Jumpydude on 07-21-2007

07-22-2007 07:11 AM
by Podguy

8

898

944, 968, box, cayenne, climate, climatecontrolledglovebox, compartment, control, controlled, fridge, glove, glovebox, mini, nox, temperature

Climate control for the glove box .....

Alxx Nova on 06-04-2007

06-05-2007 03:38 AM
by frexe

6

1,191

crossfire, due, fail, high, injection, nox, smog, stabil

High NO - Is this a cause? UPDATE - Nope.

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1 2 3 4)

Bill Ball on 12-03-2006

01-17-2007 09:56 AM
by fabric

55

2,739

1986, autozone, e46, failed, fails, g2p, gp2, guaranteed, hc, high, m3, nox, pass, porsche, smog

Failed smog........

95Juan on 10-06-2006

10-07-2006 06:57 PM
by 95Juan

13

667

Help: Failed SMOG - NOx too high

Th Dude on 10-07-2006

10-07-2006 12:30 PM
by Th Dude

5

660

NOx failure, chipped, which factory LH rev to swap in?

stealth on 07-15-2006

07-16-2006 01:57 AM
by stealth

9

486