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1971, 429, california, control, device, emessosion, emission, emissions, mustang, nox, requirements, solenoid, tag, throttle, vechicle

NOX California Emission questions-1971 429CJ

scjfalcon on Nov 19, 2007

Nov 25, 2022 12:33 PM
by Ferenz

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2

1,392

Classic Mustangs (Tech)

50, 90, 99, check, fail, failed, ford, high, list, mustang, noppm, nox, ppm, rise, smog

High NOx(smog help)

90notchback on Oct 23, 2011

Dec 2, 2011 06:57 PM
by USAiron

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5

3,765

4 Cylinder NA and Turbo

1996, 50, 86, 94, california, cobra, emissions, ford, fr, high, mustang, nox, readings, smog, wisconsin

High NOX emissions...What to look for?

kast1376 on Jul 2, 2010

Jul 2, 2010 02:01 PM
by kast1376

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0

1,121

4.6L (1996-2004 Modular) Mustang

1990, 2004, 50, 85, check, computer, failed, hc, high, holes, mustang, needed, nox, pass, smog, things

3 Smog checks and still no Pass

StevoX1 on Jun 7, 2010

Jun 10, 2010 11:57 AM
by stanks347

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8

1,839

5.0L (1979-1995) Mustang

1992, 1995, 1998, 50, check, cobra, emissions, failed, ford, gt, high, mustang, nox, smog, test, texas

High NOx smog test

StevoX1 on Jun 4, 2010

Jun 6, 2010 11:35 AM
by mattdel

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9

4,617

5.0L (1979-1995) Mustang

1995, 50, 95, emission, emissions, failed, falier, knox, mustang, nox, spout, test, testing, tx

Failed Emissions Test Due To The "Knox" Reading

Mustang 5 Oh on May 10, 2010

May 12, 2010 05:24 PM
by Riceinator

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5

1,382

5.0L (1979-1995) Mustang

20002004, 32, 94, center, cobra, console, ford, high, mustang, nox, tauras

2000-2004 question

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Multi-page thread

1 2 3)

kodyshred on Jan 8, 2010

Jan 15, 2010 05:08 PM
by kodyshred

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29

2,901

4.6L General Discussion

50, air, emissions, fail, failed, filter, ford, leak, mustang, nox, plugs, spark, tank, test, vacuum

Spark Plugs and Failed Emissions Test

Houbill on Jul 28, 2009

Jul 28, 2009 07:07 PM
by mjr46

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1

1,111

5.0L (1979-1995) Mustang

1993, 1995, check, chevrolet, emissions, failed, fails, inspection, inspections, mustang, nox, pickup, standard, state, texas

Failed Texas Emmisions Test

Houbill on Jul 24, 2009

Jul 25, 2009 10:23 PM
by mjr46

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3

939

5.0L (1979-1995) Mustang

1991, 50, 95, ckeck, didnt, due, egr, evap, fail, failed, gt, high, mustang, nox, pass, smog, test

Smog failed..

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Multi-page thread

1 2)

stangmanfifty on Mar 11, 2009

May 21, 2009 03:51 PM
by TdS!

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17

6,602

5.0L (1979-1995) Mustang

03, blue, cali, emission, emissions, headers, illegally, lt, mach, mustang, nox, pass, passing, sale, smog, smoke, test

wont pass emissions with slp?

Sace on May 2, 2009

May 4, 2009 04:00 PM
by Sace

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6

2,467

1966, 50, emission, emissions, lower, mustang, nox, parts, replacement, thermactor

emissions

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Multi-page thread

1 2)

q8stang on Nov 17, 2008

Nov 17, 2008 10:22 PM
by saleenpride1986

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10

1,155

5.0L General Discussion

1994, 50l, 86, advice, bypass, catts, cools, delete, function, instructions, mustang, nox, pump, reduce, smog

Smog pump, Cools heads? (engine rebuilders advice)

Five0hFox on May 11, 2008

May 13, 2008 08:36 AM
by Vertastang

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6

1,466

5.0L (1979-1995) Mustang

2002, cats, mustang, nox, reduction, s197, tune, tuner

how do i tune for lt headers and no cats?

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Multi-page thread

1 2)

rebelrocker1202 on Mar 11, 2008

Mar 14, 2008 01:59 AM
by rebelrocker1202

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12

1,155

V6 (1994-2004) Mustangs

50, 90, high, mustang, nox

Failed Inspection

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Multi-page thread

1 2 3)

Albizo66 on Jan 4, 2008

Jan 5, 2008 04:31 PM
by Albizo66

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23

1,716

5.0L General Discussion

1986, 1995, 25, 50, emission, emissions, failed, ford, high, lower, mph, mustang, nitrous, nox, oxide, passing, system

HIGH Nox emissions PLEASE HELP

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Multi-page thread

1 2 3 ... Last Page)

JZTRK on Jun 24, 2007

Jul 4, 2007 06:52 PM
by 94 G STANG

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33

7,164

5.0L (1979-1995) Mustang

1992, 2011, 50, arizona, az, emission, emissions, gt, high, mustang, nox, passing, swap, v6, v8

emissions please help

usermst9673 on Jun 2, 2007

Jun 6, 2007 07:45 AM
by andrewmp6

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6

678

1990, 1995, 50, catalytic, certifications, check, converters, due, failed, failing, ford, ignition, mustang, nox, ohio, pass, smog, timing

Failed smog check (Help)

Mustangn on Sep 1, 2006

Sep 2, 2006 12:06 AM
by PRO50SC

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8

2,876

5.0L (1979-1995) Mustang

2006, air, aircare, c0, camaro, car, care, co, high, motor, mustang, nox, reading, readings, required

High CO Reading in AirCare Testing

87lx on Aug 5, 2006

Aug 6, 2006 06:51 PM
by 87lx

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2

2,142

4 Cylinder NA and Turbo

aod, california, devices, ford, location, nox, retard, retarder, slapstick, vacuum

vacuum retard

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Multi-page thread

1 2 3)

angelsmith00 on Jun 4, 2005

Jun 7, 2005 06:39 PM
by TBIAgent69

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20

3,077

Classic Mustangs (Tech)

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