p0420 - Hummer Forums - Enthusiast Forum for Hummer Owners - Threads Tagged with p0420

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Threads Tagged with p0420

Threads Tagged with p0420

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02, bypass, chip, error, forum, h2, hummer, long, module, o2, oxygen, p0420, reading, sencers, sensor, simulator

O2 simulator

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Trailermedic on 08-13-2011

07-30-2014 12:59 PM
by Astro5169

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12

10,128

2008, catalyst, efficiency, fuel, h3, hummer, o2, p0420, readings, sensor, system, threshold, trim, values

Need to know O2 Sensor normal values for 2008 H3

CJI on 12-01-2013

12-01-2013 10:51 PM
by CJI

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0

3,451

PRIVATE For Sale / Trade Classifieds

2006, 2007, catalytic, code, converter, dtc, h2, h3, hummer, p0420, po420, replaces, retard, spark, timing

P0420 Code thrown. Help!

NA-Stang on 10-18-2012

10-27-2012 11:43 AM
by nelsontj

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5

22,901

PRIVATE For Sale / Trade Classifieds

02, 2008, catalytic, code, converter, covered, escalade, h2, h3, hummer, knock, p0420, restriction, sensor, sut, video, warrantyfor

P0420 code.

AndyMac on 06-06-2010

06-06-2010 11:12 PM
by VegasGuy

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3

17,856

PRIVATE For Sale / Trade Classifieds

0420, 2008, code, coolant, engine, escalade, esclade, h2, h3, hummer, normal, operating, p0420, po420, sensor, specs, temp, temparture

P0420 code

pteam on 09-15-2008

09-15-2008 07:39 PM
by pteam

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6,802

PRIVATE For Sale / Trade Classifieds

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