p0420 - MBWorld.org Forums - Threads Tagged with p0420

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Threads Tagged with p0420

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2002, air, c230, cel, cleaner, code, filter, fix, fuel, i30, infiniti, jaguar, kn, p0128, p0420, po420, remove, stock, type

CEL-P0420 Catalyst Efficiency Below Threshold-HELP!

Babybenzc230 on 11-05-2011

03-01-2021 08:51 PM
by Anthony Ochs

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16

29,092

c230, code, mercedes, p0420

Error Code P0420

Koru_Kinshi on 01-25-2014

01-27-2014 04:41 AM
by mohd.awaly

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1

3,801

Mercedes Tech Talk

02, 0420, c300, fouler, gas, increase, mercedes, mileage, mpg, nonfouler, o2, p0420, spacer

P0420 so I put a O2 Non-Fouler spacer. MPG better?

J_STATUS on 10-30-2013

10-30-2013 07:23 PM
by J_STATUS

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0

1,196

2002, benz, c240, catalytic, check, converter, converters, emissions, engine, light, mercedes, noise, p0420, pass, rattles, rattling

1 Attachment(s)

c240's catalytic converter

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Multi-page thread

1 2)

sinaa on 07-23-2010

09-04-2013 01:19 PM
by Krew876

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31

23,922

c280, dodge, dorman, fouler, jetta, mercedes, nonfouler, p0420, plug, popped, r230, slk, spark, utah, vw

4 Attachment(s)

Solution for P0420 on Kleemann cat

Utahkompressor on 09-03-2012

09-05-2012 12:50 AM
by Utahkompressor

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4

3,984

acceleration, c230, cold, colder, forces, header, kleeman, kleemann, kompressor, lambda, m271, mph, oxygen, p0420, plugs, review, sluggish, start, sucks, votage

3 Attachment(s)

Anybody got CEL because kleemann header?(M271)

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Multi-page thread

1 2 3)

Utahkompressor on 04-25-2009

02-16-2012 08:02 PM
by Glyn M Ruck

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72

17,149

2003, 2005, accelerating, acceleration, c230, code, engine, kompressor, mercedes, p0420, rattle, rattling, s500

rattle

sammydragon3 on 09-23-2011

09-23-2011 06:09 PM
by sammydragon3

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2

1,180

203, benz, c200, c230, code, kompressor, mercedes, o2, p0420, po420, resistor, sensor, trick, trouble, w203

P0420 with Kleemann cat again!

Utahkompressor on 08-02-2011

08-03-2011 01:49 AM
by Utahkompressor

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2

1,826

02, 2003, c230, cat, code, fouler, mb, mercedes, nonfouler, o2, p0420, replace, sensor, simulator, w203

Catylytic Converter Replace

Smokphattys on 03-07-2011

06-29-2011 08:04 PM
by amanonfire

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23

5,048

2003, 430, aftermarket, bank, broken, c230, catalytic, check, clk, converter, coupe, engine, light, p0420, rear, service

Got aftermarket CAT - now check engine light!

wysocki on 07-06-2010

09-12-2010 02:14 PM
by wysocki

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17

7,250

CLK-Class (W208)

0410, 2002, code, codes, diagnoses, diagnostic, dtc, fault, fix, intake, mercedes, p0410, p0420, po410, po420dtc, smoke, test

DTC Codes P0410, P0420, P0246

C230Krarana on 03-18-2009

02-03-2010 10:12 PM
by ps888

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5

7,249

Mercedes Tech Talk

271, emissions, engine, m271, mercedes, p0420, surge

Possible problem with my 271 engine?

capt_paul on 04-09-2009

04-12-2009 05:55 PM
by LILBENZ230

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5

1,506

2005, 230, benz, c230, cl, code, fault, fuel, ho25, mercedes, p0237, p0420, sys1, trouble, troubleshooting

P0237 and P0420 codes

capt_paul on 05-08-2008

05-08-2008 10:48 PM
by capt_paul

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2

3,237

2004, 2005, 230, benz, c230, catalyst, code, codes, inefficiency, mercedes, p0237, p0420, po420, threshold, w210

P0420 and P0237 Codes 2005 c230

capt_paul on 05-08-2008

05-08-2008 07:42 PM
by capt_paul

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0

4,402

Mercedes Tech Talk

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