Threads Tagged with po420

2001, bad, catalyst, catalytic, code, colision, converter, end, inefficient, lexus, ls430, po420, rear, recall, sc300

P0420- Catalyst inefficiency

5t341th on Mar 29, 2009

Dec 16, 2017 03:23 PM
by lexusisgs

12

51,842

Maintenance

1998, 300, 98, cel, code, es, es300, gs, gs430, lexus, lexuses, ls400, p0420, po420, rx300

Code p0420 and interesting turn aorund.....

satiger on Feb 16, 2010

Nov 29, 2015 11:25 AM
by azcat90

7

11,561

2001, 2344623, 300, 420, cat, code, denso, diagnostic, gs, gs300, lexus, p0420, p420, po, po420, post, rx

Not Again!! Code P0420 :(

(

1 2)

milellie11 on Apr 11, 2011

Dec 26, 2013 10:42 AM
by aneidiaz

26

44,210

GS - 2nd Gen (1998-2005)

330, code, driver, gs300, gurgling, lexus, o2 sensors, p0057, p0420, po420, rx, servomotor, side, sound, vsc lights

Please help a girl out!! P0420 & P0057 code on GS.

lexalex on Nov 12, 2012

Jun 10, 2013 11:25 AM
by Blanco

12

5,473

GS - 2nd Gen (1998-2005)

04, 330, bad, change, code, engine, exhaust, lexus, manifold, p0420, po420, rx, rx330, tire, trac, vsc

04 RX330, new lexus cat giving P0420, vsc, trac off

axzi on Mar 31, 2013

Apr 7, 2013 08:58 PM
by HtownBlue

11

8,276

RX - 2nd Gen (2004-2009)

450, awd, check, code, engine, is250, lexus, light, lx, p0420, po420, vsc, warranty

Is250 awd getting a p0420 code

Tasty on Dec 11, 2009

Oct 10, 2012 07:00 PM
by Tajai7

1

3,187

IS - 2nd Gen (2006-2013)

2006, cel, change, code, codes, gs430, is250, is350, lexus, o2, p0420, po420, replacing, sensor, sensors

06 is250 -cel p0420

prpjewel on Feb 24, 2012

Oct 10, 2012 06:48 PM
by Tajai7

6

24,122

IS - 2nd Gen (2006-2013)

1999, 300, 99, code, es, es300, forum, gs300, lexus, p0420, p1354, p420, po420, sc400

1999 es 300 p0420

bronco2454 on Aug 16, 2012

Aug 16, 2012 08:12 PM
by bronco2454

0

2,117

2006, 2007, 250, code, cost, fix, fixed, gs400, is250, lexus, p0420, p420, po420, rid, sc400, yahoo

For ppl that have had the P0420 Code and got it fixed

sepukku on Jul 10, 2011

Jul 14, 2012 04:45 PM
by laobo979

6

11,746

IS - 2nd Gen (2006-2013)

99, air, air fuel ratio, bad, code, es300, fuel, is300, maf, o2, o2 sensor, p0171, p0420, po171, po420, ratio, sensor

P0171 and P0420 codes -- bad Air/Fuel (o2) sensor or MAF?

m0098es on Jun 19, 2012

Jun 19, 2012 02:04 PM
by m0098es

0

13,766

1, 2007, 420, bank, catalyst, code, codelexus, efficiency, engine, is300, jumps, lexus, light, p0420, po420, radiator, rx350, system, threshold, video

PO420 code HELP!

camera on Jun 11, 2012

Jun 12, 2012 03:43 PM
by GS4_Fiend

2

5,460

1996, 300, 420, 97, code, corolla, es, exhaust, gasket, lexus, ls400, lx450, p0420, po420, rx, rx300

P0420 code, cat problem....no!

boxbrownie on Apr 2, 2012

Apr 5, 2012 12:27 AM
by boxbrownie

2

4,045

300, 99, bank, check, converter, engine, es, es300, is300, lexus, location, p0420, p420, po420, sensor

'99 ES300 P0420 Bank 1

(

1 2 3)

oldanteek on May 7, 2009

Sep 24, 2011 10:29 AM
by JAYGS4NYC

34

40,255

2001, bank, check, clifornia, club, engine, equipped, gs300, gs430, is300, lexus, light, o2, oxygen, po420, replacing, sensor, sensors

O2 Sensors question?

(

1 2 3)

DMPesso on Aug 31, 2011

Sep 9, 2011 10:20 PM
by GSteg

42

3,859

GS - 2nd Gen (1998-2005)

1995, 2006, 400, catalyst, code, efficiency, is250, lexus, ls, ls400, lx470, p0420, p420, po420, system

Code p0420 96 ls400

Abdiel on May 9, 2011

Jun 10, 2011 10:09 AM
by Abdiel

6

14,962

1998, 2011, 300, cal, check, code, codes, engine, es, leads, lexus, light, ls400, northern, p0420, po420

Check engine light code p0420

lexluva on Feb 5, 2011

Mar 27, 2011 01:32 AM
by lexluva

10

32,251

2000, 300, eliminate, es, es300, lexus, p0420, po420, resistor, sicnifica

00 es p0420

BMWZ3 on Dec 18, 2010

Feb 11, 2011 11:58 AM
by angmedic91

8

1,880

2000, 99, cat, cats, cel, check, code, engine, es300, faulty, fix, lexus, light, ls400, mini, pipes, po420, po430, replacing, straight

2000 LS400 CEL on, "Cat Inefficient". Replace them? Umm, No...

alha on Jul 31, 2010

Jan 24, 2011 01:34 AM
by PureDrifter

13

6,071

04, 2005, 330, code, exhaust, gx470, leak, lexus, obd, p0420, pending, po420, problem, rx330, tachometer

P0420 and P0420 (P)

IamLexus on Nov 15, 2010

Nov 19, 2010 12:08 PM
by IamLexus

5

6,913

420, 51, 96, caravan, check, code, corolla, dodge, engine, error, grand, lexus, po420, rav4, toyota

Error Code PO 420 Efficency Below Threshold ???

tom8757 on Aug 28, 2010

Aug 29, 2010 07:47 AM
by diverchris

4

4,080

RX - 2nd Gen (2004-2009)

1999, 400, 99, code, codes, es300, gx470, lexus, ls, ls400, ls430, p0420, po420, rx300, trouble

P0420 trouble code

argee on Jul 25, 2010

Jul 25, 2010 07:12 AM
by Lexmex

1

5,750

1999, 300, 470, code, diagnotics, donut, error, es300, gasket, gx, lexus, p0420, po420, rx, sensor

Po420 error code

JOHNBRAY11 on Apr 30, 2010

May 1, 2010 10:23 AM
by Nad1370

6

15,903

advance, auto, ls400, o2, oxygen, po420, po430, sensor

which oxygen sensor from advance auto would you get

blkstealthpaid4 on Apr 19, 2010

Apr 20, 2010 02:35 PM
by Bradster

8

1,206

1999, 2000, back, code, es300, gs, is300, lexus, long, p0171, p0171p0420, p0420, po171, po420, rx300

Cel p0171 and p0420

JOHNBRAY11 on Oct 16, 2009

Oct 28, 2009 05:16 PM
by JOHNBRAY11

9

2,435

1999, code, es300, lexus, p0171, p042, p0420, po171, po420, rx300

Cel p0171,p042

JOHNBRAY11 on Oct 15, 2009

Oct 15, 2009 06:39 PM
by JOHNBRAY11

2

952

300, 99, bank, catalyst, catalystr, code, efficiency, es, flex, lexus, p0420, pipe, po420, show, system, threshold

Cheap solution to 99-00 es catalyst efficiency below threshold p0420 code

brandon524 on Jul 20, 2009

Jul 20, 2009 10:54 AM
by brandon524

0

1,595

0420, 2000, 300, 97, 99, clublexus, code, engine, es, es300, lexus, p0420, po420, surging, trouble

99 Es300 P0420 Code

desperado2 on May 30, 2009

May 31, 2009 01:41 AM
by GEORGE_JET

1

2,109

2000, 2000lexuses300p0420, 300, check, ck, code, control, eng, engine, es, es300, gs, lexues, lexus, light, p0420, po420, trac

Es300 2000 trac control light on an ck engine light P0420 code?

mervinjule on Feb 1, 2009

Apr 7, 2009 01:15 PM
by oldanteek

2

1,420

2000, 2004, 97, 99, bank, cat, code, diagnostic, es300, lexus, location, p0420, po420, problems, rx330

2000 es300 p0420 :(

Rollin'ES3 on Mar 28, 2009

Mar 29, 2009 12:14 AM
by 03 ES

4

4,466