Log In
Register
Forums
Vendors and Group Buys
Group Buy Center
Vendor Forums
Vendor Classifieds
General Topics
New Member Forum
RX-8 Discussion
RX-8 Multimedia/Photo Gallery
General Automotive
Website-related Suggestions
Series I Tech & Performance
Series I Tech Garage
Series I Trouble Shooting
Series I Do It Yourself Forum
Series I Aftermarket Performance Modifications
Series I Major Horsepower Upgrades
Series I Engine Tuning Forum
Series I AT-Specific Performance Mods
Series I Wheels, Tires, Brakes & Suspension
Series I Exterior Appearance and Body Kits
Series I Interior, Audio, and Electronics
Series II Tech & Performance (US 2009MY-)
Series II Technical and Trouble shooting
Series II DIY
Series II Aftermarket Performance Modifications
Series II Forced Induction and Nitrous
Series II Engine Tuning
Series II Wheels, Tires, Brakes & Suspension
Series II Exterior Appearance and Body Kits
Series II Interior, Audio, and Electronics
RX-8 Competition
RX-8 Racing
RX-8 Show and Shine
Drifting
Engine Swap Forum
Rotary Swaps
Non-Rotary Swaps
Regional Forums
Rotary Owner Events
NE RX-8 Forum
SE RX-8 Forum
MW RX-8 Forum
Gulf RX-8 Forum
Mountain Forum
West RX-8 Forum
NW RX-8 Forum
Canada Forum
Europe Forum
Australia/New Zealand Forum
Far East/Asia
Latin America
RX-8 Classifieds - PRIVATE SALES ONLY - Dealer Ads Prohibited
Bubbletech Fundraising Auction
RX-8's For Sale/Wanted
RX-8 Parts For Sale/Wanted
Good Guy/Bad Guy
Gallery
Tools
Car Payment Calculator
Tire Rim Calculator
Vin Decoder
Members List
Live Feed
Marketplace
Vendor Directory
Become a Vendor
New Posts
View Dark Mode
Please register or login to enable Dark Mode.
Log In
Register
Threads
Google
Threads
Posts
Advanced
RX8Club.com
Log In
|
Register
Dark Mode
Please register or login to enable Dark Mode.
Contact Us
Manage Preferences
Archive
Advertising
Cookie Policy
Privacy Statement
Terms of Service
Your Privacy Choices
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 Facebook
RX8Club.com
Tags
Threads Tagged with
p0420
Notices
Introducing Infinite Scroll -
Click here to learn more!
Community Links
Social Groups
Pictures & Albums
Members List
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
p0420
Thread / Thread Starter
Last Post
Replies
Views
Forum
P0420 Cataclyst System Efficiency Below Threshold (Bank 1)
(
1
2
)
bugster
on 08-07-2008
10-09-2019
01:29 PM
by
Imgunnaownu
44
84,660
Series I Trouble Shooting
Whole slew of problems and some more newbie questions.
MarkX
on 07-22-2015
07-31-2015
07:50 AM
by
Steve Dallas
3
9,594
New Member Forum
P0420 CAT System Below Threshold - Options?
johnrellis
on 06-02-2015
06-03-2015
03:09 AM
by
johnrellis
4
4,837
New Member Forum
CEL, P0420 on RX8 series 1 2005
Iceman808
on 04-26-2014
04-26-2014
11:29 PM
by
BigCajun
17
11,384
Series I Trouble Shooting
P0301 after rebuild please help
(
1
2
)
cbmdj13b
on 04-07-2012
09-27-2013
02:34 PM
by
Fazil Malik
34
9,260
Series I Tech Garage
Code P0420... covered under powertrain warranty?
(
1
2
)
Hercules
on 06-05-2008
05-20-2013
10:42 AM
by
j9fd3s
34
41,837
Series I Tech Garage
P0420 CEL W/Racing Beat Test Pipe
(
1
2
)
1990 GT-X
on 01-26-2013
01-28-2013
09:31 AM
by
RIWWP
32
8,372
Series I Tech Garage
CEL p0420 quick fix please.
Rx8manRich
on 06-07-2012
12-17-2012
07:42 PM
by
splinter
12
16,874
Series I Tech Garage
Cel code p0456?????
bmarrs
on 12-08-2009
12-04-2012
06:39 PM
by
j9fd3s
7
10,705
Series I Tech Garage
P0420 error; Thinking about replacing CAT
TRIGG3R12
on 05-18-2012
11-18-2012
02:01 PM
by
TeamRX8
13
7,846
Series I Aftermarket Performance Modifications
P0302 Missfire and Power Low (-60BHP) - Help Please
(
1
2
)
Mr Stu
on 10-10-2012
10-26-2012
11:31 AM
by
Mr Stu
27
4,402
Series I Tech Garage
catalytic convertor
671rx8
on 07-31-2012
08-29-2012
09:04 PM
by
wcs
10
2,817
Series I Trouble Shooting
Could this be my SSV??
LBrown8
on 07-06-2012
07-13-2012
08:16 AM
by
DarkBrew
20
6,163
Series I Trouble Shooting
Error Codes P0139, 02512, P0420
(
1
2
)
Alkal1ne
on 07-09-2012
07-11-2012
04:30 PM
by
fyrstormer
25
9,898
Series II Technical and Trouble shooting
P0420 catylist code..
Rx8manRich
on 06-14-2012
06-14-2012
06:28 PM
by
RIWWP
1
2,430
Series I Tech Garage
New Catalytic Converter
coach mike
on 07-29-2010
05-20-2012
07:04 AM
by
nycgps
6
10,626
Series I Tech Garage
Diagnostic Fee on P0420
Polish Person
on 05-03-2012
05-10-2012
07:03 PM
by
ShellDude
8
2,409
General Automotive
Help with CEL Codes!
iMotoPilot
on 05-09-2012
05-09-2012
03:49 PM
by
iMotoPilot
19
1,106
Series I Trouble Shooting
P0420, o2 sensor, & gas choices o.O
zoomeight
on 02-12-2012
02-14-2012
07:49 PM
by
zoomeight
11
2,744
Series I Trouble Shooting
Bit by P0420
RadRedR3
on 02-09-2012
02-10-2012
08:42 AM
by
RadRedR3
6
1,562
RX-8 Discussion
P0420/p0301
kathykat0710
on 06-19-2011
01-14-2012
09:09 AM
by
Mazurfer
13
8,071
Series I Trouble Shooting
Cel p0420
Ndsully
on 10-19-2011
10-19-2011
01:01 PM
by
Ndsully
10
1,726
Series I Trouble Shooting
{ FS }
2004 RX8 GT Package
silkd
on 01-10-2011
07-17-2011
04:11 AM
by
Dark_Horse88
6
1,981
RX-8's For Sale/Wanted
Premix and emissions warranty
myzon26
on 04-12-2011
04-18-2011
01:41 PM
by
myzon26
13
3,428
RX-8 Discussion
P0420 Help
silkd
on 03-10-2011
03-18-2011
10:41 PM
by
stvshaw
6
4,170
Series I Tech Garage
P0420 Catalytic Converter?
renaldo
on 03-31-2009
02-25-2011
02:22 AM
by
bumblebeerx8
17
9,780
Series I Trouble Shooting
Flying m badge issues
AJ312
on 02-13-2011
02-15-2011
03:24 PM
by
AJ312
10
1,913
Series I Exterior Appearance and Body Kits
Cel p0420 p0302
shocktroop
on 11-10-2010
11-10-2010
03:46 PM
by
DarkBrew
1
2,073
Series I Trouble Shooting
P0420 and overheating
miya
on 06-10-2009
09-13-2010
03:06 AM
by
yiksing
14
10,184
Series I Trouble Shooting
Help!..... please check engine light is on p0240
bkkkk93
on 01-23-2010
01-23-2010
08:42 PM
by
bkkkk93
8
3,784
Series I Trouble Shooting
ECU error Code help needed
Paul Woodsford
on 12-08-2009
12-08-2009
01:18 PM
by
kersh4w
1
1,538
Series I Tech Garage
ah! the infamous P0420 code! what now
Xander
on 06-04-2009
06-08-2009
02:54 PM
by
NotAPreppie
5
3,360
Series I Trouble Shooting
P0420 and Catalytic converter that empty inside!!!
stask1
on 01-15-2009
03-19-2009
01:39 PM
by
Ceez76
7
12,089
Series I Trouble Shooting
Help with Cat please ! P0420 Catalyst system efficiency below threshold
Sheehan
on 02-18-2009
02-22-2009
03:12 PM
by
Easy_E1
24
9,590
Series I Trouble Shooting
P0420 Code, odd
L337fpc
on 02-15-2009
02-15-2009
05:31 PM
by
L337fpc
5
7,873
Series I Trouble Shooting
Hesitation at 6K plus
Scorpio8
on 11-11-2008
11-14-2008
09:55 AM
by
Scorpio8
9
1,619
Series I Trouble Shooting
AccessPORT Alpha test started
(
1
2
3
4
5
...
Last Page
)
huzer21
on 02-16-2008
10-10-2008
03:55 PM
by
edfred
662
47,832
Series I Engine Tuning Forum
What's up with the weather lately!!!!
(
1
2
)
ChristInBen
on 02-06-2008
02-06-2008
10:55 PM
by
Footman
25
2,162
Canada Forum
Check engine light P0420
u1cracka
on 04-08-2007
04-13-2007
02:23 PM
by
u1cracka
7
6,176
Series I Tech Garage
Any Ideas for a P0420 cell?
rx8guy86
on 12-05-2006
01-31-2007
07:00 PM
by
rx8guy86
16
2,332
Series I Aftermarket Performance Modifications
Page 1 of 2
1
2
>
All times are GMT -5. The time now is
04:35 AM
.