Threads Tagged with po420

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

P0420- Catalyst inefficiency

5t341th on 03-29-09

12-16-17 03:23 PM
by lexusisgs

12

47,423

Maintenance

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

Code p0420 and interesting turn aorund.....

satiger on 02-16-10

11-29-15 11:25 AM
by azcat90

7

11,279

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 04-11-11

12-26-13 10:42 AM
by aneidiaz

26

41,700

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 11-12-12

06-10-13 11:25 AM
by Blanco

12

4,988

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 03-31-13

04-07-13 08:58 PM
by HtownBlue

11

8,116

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 12-11-09

10-10-12 07:00 PM
by Tajai7

1

2,926

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 02-24-12

10-10-12 06:48 PM
by Tajai7

6

23,243

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 08-16-12

08-16-12 08:12 PM
by bronco2454

0

1,991

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 07-10-11

07-14-12 04:45 PM
by laobo979

6

10,972

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 06-19-12

06-19-12 02:04 PM
by m0098es

0

13,346

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 06-11-12

06-12-12 03:43 PM
by GS4_Fiend

2

5,159

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

P0420 code, cat problem....no!

boxbrownie on 04-02-12

04-05-12 12:27 AM
by boxbrownie

2

3,936

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

'99 ES300 P0420 Bank 1

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1 2 3)

oldanteek on 05-07-09

09-24-11 10:29 AM
by JAYGS4NYC

34

38,921

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 08-31-11

09-09-11 10:20 PM
by GSteg

42

3,472

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 05-09-11

06-10-11 10:09 AM
by Abdiel

6

13,055

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

Check engine light code p0420

lexluva on 02-05-11

03-27-11 01:32 AM
by lexluva

10

29,636

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

00 es p0420

BMWZ3 on 12-18-10

02-11-11 11:58 AM
by angmedic91

8

1,737

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 07-31-10

01-24-11 01:34 AM
by PureDrifter

13

5,849

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

P0420 and P0420 (P)

IamLexus on 11-15-10

11-19-10 12:08 PM
by IamLexus

5

6,651

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

Error Code PO 420 Efficency Below Threshold ???

tom8757 on 08-28-10

08-29-10 07:47 AM
by diverchris

4

4,010

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 07-25-10

07-25-10 07:12 AM
by Lexmex

1

5,405

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

Po420 error code

JOHNBRAY11 on 04-30-10

05-01-10 10:23 AM
by Nad1370

6

14,435

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

which oxygen sensor from advance auto would you get

blkstealthpaid4 on 04-19-10

04-20-10 02:35 PM
by Bradster

8

1,094

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

Cel p0171 and p0420

JOHNBRAY11 on 10-16-09

10-28-09 05:16 PM
by JOHNBRAY11

9

2,323

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

Cel p0171,p042

JOHNBRAY11 on 10-15-09

10-15-09 06:39 PM
by JOHNBRAY11

2

844

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 07-20-09

07-20-09 10:54 AM
by brandon524

0

1,505

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

99 Es300 P0420 Code

desperado2 on 05-30-09

05-31-09 01:41 AM
by GEORGE_JET

1

1,975

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 02-01-09

04-07-09 01:15 PM
by oldanteek

2

1,295

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

2000 es300 p0420 :(

Rollin'ES3 on 03-28-09

03-29-09 12:14 AM
by 03 ES

4

4,338