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
RZ Model (2023-present)
LX Models
TX Models (2024-present)
TZ Models (2027-Present)
GX Models
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
p420
Community Links
Pictures & Albums
Members
Search Forums
Show Threads
Show Posts
Tag Search
Advanced Search
Find All Liked Posts
Go to Page...
Threads Tagged with
p420
Thread / Thread Starter
Last Post
Replies
Views
Forum
Not Again!! Code P0420 :(
(
1
2
)
milellie11
on Apr 11, 2011
Dec 26, 2013
10:42 AM
by
aneidiaz
26
44,264
GS - 2nd Gen (1998-2005)
LS400 code p420
CMinner
on Apr 30, 2013
May 9, 2013
08:40 PM
by
Victor520
7
2,583
LS - 1st and 2nd Gen (1990-2000)
2001 with codes P0420 and P1150
drhill26
on Jan 28, 2013
Mar 13, 2013
05:07 PM
by
drhill26
10
4,634
RX - 1st Gen (1999-2003)
1999 es 300 p0420
bronco2454
on Aug 16, 2012
Aug 16, 2012
08:12 PM
by
bronco2454
0
2,123
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
11,759
IS - 2nd Gen (2006-2013)
Fixed P0420 code "Catalyst System Efficiency..." error without replacing Cats
airmaui
on Apr 4, 2012
Apr 4, 2012
11:28 PM
by
GS4_Fiend
1
12,663
SC430 - 2nd Gen (2001-2010)
Gs-400 p420 only!!!
yb4in
on Apr 4, 2012
Apr 4, 2012
08:20 PM
by
DaveGS4
1
1,132
GS - 2nd Gen (1998-2005)
P0420
acc
on Jan 4, 2012
Mar 12, 2012
09:21 PM
by
vermont
3
2,021
ES - 1st to 6th Gen (1990-2018)
Have you heard about CataClean?
Emilaman
on Nov 7, 2011
Jan 13, 2012
02:49 PM
by
Emilaman
13
20,659
Maintenance
Engine Light P420 P430
JoeG
on Jan 9, 2012
Jan 9, 2012
06:29 PM
by
JoeG
0
1,454
ES - 1st to 6th Gen (1990-2018)
Catalyst DTCs P420/P430 w/ VSC issues too
(
1
2
)
zippinbye
on Nov 1, 2011
Nov 11, 2011
08:00 AM
by
zippinbye
18
7,944
GX - 1st Gen (2003-2009)
'99 ES300 P0420 Bank 1
(
1
2
3
)
oldanteek
on May 7, 2009
Sep 24, 2011
10:29 AM
by
JAYGS4NYC
34
40,313
ES - 1st to 6th Gen (1990-2018)
Code p0420 96 ls400
Abdiel
on May 9, 2011
Jun 10, 2011
10:09 AM
by
Abdiel
6
14,989
LS - 1st and 2nd Gen (1990-2000)
engine codes P420 and P1411 need help
PNWdude
on Apr 20, 2010
Apr 22, 2010
08:19 PM
by
PNWdude
3
3,397
ES - 1st to 6th Gen (1990-2018)
p420?????????
newday95
on Sep 21, 2009
Sep 21, 2009
07:31 PM
by
bonafyd
2
987
LS - 3rd Gen (2001-2006)
Need to change catalytic converter for LS400,1996
simonyu
on May 23, 2009
May 26, 2009
08:56 AM
by
jcrome04
4
8,217
LS - 1st and 2nd Gen (1990-2000)
P0420 Code help. 1999 es300
nicos1
on Oct 22, 2007
Oct 22, 2007
10:28 AM
by
nicos1
2
2,068
ES - 1st to 6th Gen (1990-2018)
Check engine light is on!
tomsmr2
on Jun 15, 2007
Jun 16, 2007
01:38 PM
by
PureDrifter
7
2,053
LS - 1st and 2nd Gen (1990-2000)
engine code P0420
ynvme
on Mar 16, 2006
Mar 17, 2006
10:40 AM
by
intrmsof2
3
1,204
ES - 1st to 6th Gen (1990-2018)
OBDII code P0420
JCHO
on Dec 5, 2004
Dec 5, 2004
03:33 PM
by
VVT-i
4
2,316
Maintenance
All times are GMT -7. The time now is
05:22 PM
.