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ClubLexus - Lexus Forum Discussion
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p0420
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Threads Tagged with
p0420
Thread / Thread Starter
Last Post
Replies
Views
Forum
GS300 cat problem
popek31
on 07-20-17
09-26-23
03:03 PM
by
canatto
8
9,384
GS - 3rd Gen (2006-2011)
Live data O2 readings and code P0420
1stock2is
on 09-01-23
09-01-23
01:17 PM
by
1stock2is
0
633
IS - 2nd Gen (2006-2013)
P0420 VSC Light & Wheel Speed Sensors C0200, C0205 C0215
brcollings
on 08-20-18
06-17-23
09:57 PM
by
Winslow96
1
3,219
IS - 2nd Gen (2006-2013)
Replaced cats on both sides, still getting P0420
Gmoney32
on 05-20-23
05-20-23
07:10 AM
by
Gmoney32
0
474
LX - 1st and 2nd Gen (1996-2007)
AWD, VSC alarms with Codes P0420 and P0430
(
1
2
)
clyde1952
on 10-22-13
03-16-23
01:55 PM
by
Rxlexus350
23
15,798
RX - 3rd Gen (2010-2015)
2004 RX330 catalytic converter issue P0420
(
1
2
)
djensen623
on 05-03-11
01-23-23
01:04 PM
by
vitieubao
18
48,233
RX - 2nd Gen (2004-2009)
2004 rx 330 - P0430 code
(
1
2
)
soda7o
on 10-06-11
10-09-21
07:12 AM
by
artfelt
16
54,172
RX - 2nd Gen (2004-2009)
Smog Test Soon - 2003 ES300, Code P0420
LanceLink
on 01-11-20
01-12-20
12:05 PM
by
Arsenii
3
528
ES - 1st to 4th Gen (1990-2006)
Check engine light p0420 code
Jweb2
on 12-20-19
12-20-19
08:10 PM
by
Byprodrive
8
12,077
GS - 4th Gen (2013-2020)
Check engine, trac off and vsc light on at same time, have error codes! read on...
DIYDD
on 05-22-17
10-02-19
10:11 PM
by
Richardsr
11
7,812
ES - 1st to 4th Gen (1990-2006)
P0430 and pending P0420
Orion1019
on 01-28-19
01-28-19
04:05 PM
by
Orion1019
0
914
IS - 2nd Gen (2006-2013)
Nagging P0430 (and now a pending P0420 too!) 2004 ES330
mjbtn
on 12-28-18
01-03-19
06:03 PM
by
Nad1370
8
2,029
ES - 1st to 4th Gen (1990-2006)
My Journey to solve the P0420 error - NOT RESOLVED!
myculito
on 10-07-18
10-16-18
01:38 PM
by
myculito
10
4,392
IS - 2nd Gen (2006-2013)
ES 300 P0420 issue - fixed
satiger
on 09-16-18
10-09-18
05:57 AM
by
ArmyofOne
8
2,496
ES - 1st to 4th Gen (1990-2006)
VSC and Cel on P0420 code catalyst threshold
mvrod
on 09-29-18
10-03-18
02:24 PM
by
mvrod
3
1,277
IS - 2nd Gen (2006-2013)
RX300 01 Transmission gears slipping help please
zer0xhdx01
on 10-21-17
11-05-17
08:25 PM
by
zer0xhdx01
3
2,382
RX - 1st Gen (1999-2003)
ES300 1999 addressing P1354 on heels of P0446 on heels of P0420
blckphillp
on 09-22-16
02-22-17
09:09 PM
by
blckphillp
10
3,279
ES - 1st to 4th Gen (1990-2006)
Question on Codes p1354 and P0420
bronco2454
on 08-04-12
11-27-16
07:04 PM
by
burteboy
4
2,560
ES - 1st to 4th Gen (1990-2006)
Can I use spacers on my downstream 02 sensor?
ssgi4in12
on 11-14-16
11-14-16
07:55 AM
by
JAB
1
1,446
RX - 1st Gen (1999-2003)
Code p0420 and interesting turn aorund.....
satiger
on 02-16-10
11-29-15
11:25 AM
by
azcat90
7
11,306
ES - 1st to 4th Gen (1990-2006)
Need help -Error Codes on ls400 1998 - p0420, p1126, p1129
secolor
on 09-19-15
09-19-15
02:31 PM
by
secolor
0
1,898
LS - 1st and 2nd Gen (1990-2000)
Code P0420. Bad Catalytic or O2 sensor?
bb2tosc
on 07-23-15
07-29-15
03:34 PM
by
3L4jzz31
2
4,409
Performance & Maintenance
2001 GS300 P0420 and P0430
20012003rx
on 06-01-15
06-13-15
10:22 AM
by
Mcon
6
6,432
GS - 2nd Gen (1998-2005)
P0330 & P0420 Appear after O2 sensors replaced (RX300)
RyanBill
on 02-06-15
02-11-15
11:01 AM
by
RayN
5
4,377
RX - 1st Gen (1999-2003)
P0420!! What does this mean?
(
1
2
)
Kumar350
on 04-17-13
11-16-14
09:03 AM
by
Bichon
26
12,834
IS - 2nd Gen (2006-2013)
2005 gx470 obd11 p0420 p0430
hamedmoosa
on 08-15-14
09-08-14
03:27 PM
by
470SNC
7
17,867
GX - 1st Gen (2003-2009)
Please need help regarding 2006 Lexus GS 300 OBD Codees
goodbadboy
on 08-14-14
08-15-14
05:58 AM
by
goodbadboy
4
4,223
GS - 3rd Gen (2006-2011)
What if I remove cat converters? - no emissions control here
(
1
2
)
Eliaquim
on 06-12-14
07-09-14
12:57 PM
by
Eliaquim
16
9,592
RX - 2nd Gen (2004-2009)
P0420 & P0430 Help please
(
1
2
)
srob817
on 06-07-14
06-20-14
10:51 PM
by
aneidiaz
23
14,748
GS - 2nd Gen (1998-2005)
2000 Lexus ES 300 Catalytic Converter Issue
ribines300
on 04-23-14
04-23-14
12:42 PM
by
PuReChaos
3
8,387
ES - 1st to 4th Gen (1990-2006)
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