LOG IN
REGISTER
Forums
Welcome To Club Lexus and Feedback
Welcome to Club Lexus!
Site Suggestions & Problems
Vendor News
Club Lexus Vendor Product Announcements
Lexus Model Forums
IS Models
RC Models
GS Models
SC Models
LC Model (2018-present)
LFA Model (2012)
CT 200h Model (2011-2017)
HS 250h Model (2010-2012)
ES Models
LS Models
UX Models (2019-present)
NX Models
RX Models
TX Models (2024-present)
GX Models
LX Models
RZ Model (2023-present)
LBX Model (2024-present)
Lexus Prototypes and Next-Gen Technology
Vendor Marketplace and Member Classifieds
Marketplace
General Classifieds
Club Lexus Vendor Marketplace
Lexus Special Interest Forums
Automotive Care & Detailing
Lexus Audio, Video, Security & Electronics
Lighting
Maintenance
Wheels, Tires & Brakes Forum
Special Interest Groups
Lexus Motorsports and Racing
General Forums
Car Chat
Local Chapters and Regional Forums
Regional ClubLexus Forums
NELOC
Florida Lexus Club
Chicago Lexus Club
Northern California Lexus Club
CL of Southern California
CL of Hawaii
North Texas Lexus Club
Marketplace
Vendor Directory
Become a Vendor
Marketplace
Lexus News
Lexus CT200h
Lexus ES
Lexus GS
Lexus GX
Lexus HS250h
Lexus IS
Lexus IS-F
Lexus LC500
Lexus LFA
Lexus LS
Lexus LX
Lexus NX
Lexus RC
Lexus RX
Lexus RZ
Lexus SC
Lexus TX
Lexus UX
New Posts
Tools
Car Payment Calculator
Tire Rim Calculator
Vin Decoder
Recalls
Technical Service Bulletins (TSBs)
Members List
Live Feed
How-Tos
Gallery
FAQ
View Dark Mode
Please register or login to enable Dark Mode.
Log In
Register
Threads
Google
Threads
Posts
Advanced
ClubLexus - Lexus Forum Discussion
Log In
|
Register
Dark Mode
Please register or login to enable Dark Mode.
Contact Us
About Us
Your Privacy Choices
Manage Preferences
Archive
Advertising
Cookie Policy
Privacy Statement
Terms of Service
Affiliate Disclosure
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
×
Log In
Forgot your Password?
By logging into your account, you agree to our
Terms of Use
and
Privacy Policy
, and to the use of cookies as described therein.
or
Login with Google
Login with Facebook
ClubLexus - Lexus Forum Discussion
Tags
Threads Tagged with
po420
Community Links
Pictures & Albums
Members
Search Forums
Show Threads
Show Posts
Tag Search
Advanced Search
Find All Liked Posts
Go to Page...
Page 1 of 2
1
2
>
Threads Tagged with
po420
Thread / Thread Starter
Last Post
Replies
Views
Forum
Check Engine Light Code PO420 PO430
(
1
2
)
DK Audio
on Oct 22, 2012
Nov 20, 2018
07:26 AM
by
spuds
18
33,316
LS - 1st and 2nd Gen (1990-2000)
P0420- Catalyst inefficiency
5t341th
on Mar 29, 2009
Dec 16, 2017
03:23 PM
by
lexusisgs
12
51,842
Maintenance
Code p0420 and interesting turn aorund.....
satiger
on Feb 16, 2010
Nov 29, 2015
11:25 AM
by
azcat90
7
11,561
ES - 1st to 6th Gen (1990-2018)
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)
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 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)
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)
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 es 300 p0420
bronco2454
on Aug 16, 2012
Aug 16, 2012
08:12 PM
by
bronco2454
0
2,117
ES - 1st to 6th Gen (1990-2018)
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)
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
ES - 1st to 6th Gen (1990-2018)
PO420 code HELP!
camera
on Jun 11, 2012
Jun 12, 2012
03:43 PM
by
GS4_Fiend
2
5,460
ES - 1st to 6th Gen (1990-2018)
P0420 code, cat problem....no!
boxbrownie
on Apr 2, 2012
Apr 5, 2012
12:27 AM
by
boxbrownie
2
4,045
RX - 1st Gen (1999-2003)
'99 ES300 P0420 Bank 1
(
1
2
3
)
oldanteek
on May 7, 2009
Sep 24, 2011
10:29 AM
by
JAYGS4NYC
34
40,255
ES - 1st to 6th Gen (1990-2018)
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)
Code p0420 96 ls400
Abdiel
on May 9, 2011
Jun 10, 2011
10:09 AM
by
Abdiel
6
14,962
LS - 1st and 2nd Gen (1990-2000)
Check engine light code p0420
lexluva
on Feb 5, 2011
Mar 27, 2011
01:32 AM
by
lexluva
10
32,251
ES - 1st to 6th Gen (1990-2018)
00 es p0420
BMWZ3
on Dec 18, 2010
Feb 11, 2011
11:58 AM
by
angmedic91
8
1,880
ES - 1st to 6th Gen (1990-2018)
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
LS - 1st and 2nd Gen (1990-2000)
P0420 and P0420 (P)
IamLexus
on Nov 15, 2010
Nov 19, 2010
12:08 PM
by
IamLexus
5
6,913
ES - 1st to 6th Gen (1990-2018)
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)
P0420 trouble code
argee
on Jul 25, 2010
Jul 25, 2010
07:12 AM
by
Lexmex
1
5,750
ES - 1st to 6th Gen (1990-2018)
Po420 error code
JOHNBRAY11
on Apr 30, 2010
May 1, 2010
10:23 AM
by
Nad1370
6
15,903
RX - 1st Gen (1999-2003)
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
LS - 1st and 2nd Gen (1990-2000)
Cel p0171 and p0420
JOHNBRAY11
on Oct 16, 2009
Oct 28, 2009
05:16 PM
by
JOHNBRAY11
9
2,435
RX - 1st Gen (1999-2003)
Cel p0171,p042
JOHNBRAY11
on Oct 15, 2009
Oct 15, 2009
06:39 PM
by
JOHNBRAY11
2
952
RX - 1st Gen (1999-2003)
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
ES - 1st to 6th Gen (1990-2018)
99 Es300 P0420 Code
desperado2
on May 30, 2009
May 31, 2009
01:41 AM
by
GEORGE_JET
1
2,109
ES - 1st to 6th Gen (1990-2018)
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
ES - 1st to 6th Gen (1990-2018)
2000 es300 p0420 :(
Rollin'ES3
on Mar 28, 2009
Mar 29, 2009
12:14 AM
by
03 ES
4
4,466
ES - 1st to 6th Gen (1990-2018)
Page 1 of 2
1
2
>
All times are GMT -7. The time now is
10:04 PM
.