LOG IN
REGISTER
Forums
Meets & Greets!
Introduce Yourself
Meets & Events
Honda and Acura Model-Specific Technical Forums
Honda Accord 2018- Current
Honda Accord 2016- 2017
Honda Accord (2013 - 2015)
Honda Accord & Crosstour (2003 - 2012)
Honda Accord (1990 - 2002)
Honda Civic (2016 - Current)
Honda Civic (2006 - 2015)
Honda Civic (2001 - 2005)
Honda Civic / Del Sol (1992 - 2000)
Honda City
Honda CRX / EF Civic (1988 - 1991)
Honda CR-V & Element
Honda Fit
Honda Insight & CR-Z Hybrid
Honda Prelude
Honda Prologue
Honda S2000
Honda Minivans, Crossovers, and Trucks
Acura Integra
Acura Integra Type-R
Acura NSX
Acura RSX DC5 & Honda Civic EP3
Acura TL, RL & ZDX
Acura TSX
Classic Hondas
Honda Motorcycles
Honda Ruckus and Scooters
Honda and Acura Technical Forums
Forced Induction
All Motor / Naturally Aspirated
K Series
Engine Machining & Assembly
Hybrid / Engine Swaps
AWD Conversion Forum
Welding / Fabrication
Tech / Misc
Road Racing / Autocross & Time Attack
Drag Racing
Suspension & Brakes
Audio / Security / Video
Wheel and Tire
Paint and Body
Lighting
Engine Management and Tuning
Transmission & Drivetrain
Honda-Tech Marketplace
For Sale
Want to Buy
Classifieds: Forced Induction
Vehicles for sale
Motorcycles
Wheels
Sales Feedback
Regional Classifieds
Northern California (Sales)
Southern California (Sales)
Florida (Sales)
Texas -OK -LA (Sales)
Northwest (Sales)
Southwest (Sales)
Mid-West (Sales)
Mid-Atlantic (Sales)
Northeast (Sales)
Southeast (Sales)
Canada (Sales)
Hawaii (Sales)
Free Stuff
Sponsor Marketplace
Performance
Miscellaneous - Appearance - Lighting
Wheels, Tires, Brakes, and Suspension
Forced Induction
Honda and Acura Appearance / Cosmetic Forums
Honda / Acura
Other Make Vehicles
Appearance Build Threads
Group Threads
Detailing
Community Forums
Honda-Tech News
Regional Forums and Meets
News
Marketplace
Vendor Directory
Become a Vendor
Site Store
Membership
New Posts
Tools
Car Payment Calculator
Tire Rim Calculator
Vin Decoder
Recalls
Technical Service Bulletins (TSBs)
Members List
Live Feed
How-Tos
Gallery
View Dark Mode
Please register or login to enable Dark Mode.
Log In
Register
Threads
Google
Threads
Posts
Advanced
Honda-Tech - Honda 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
Honda-Tech - Honda Forum Discussion
Tags
Threads Tagged with
threshold
Community Links
Pictures & Albums
Members List
Search Forums
Show Threads
Show Posts
Tag Search
Advanced Search
Find All Liked Posts
Go to Page...
Page 2 of 3
<
1
2
3
>
Threads Tagged with
threshold
Thread / Thread Starter
Last Post
Replies
Views
Forum
DTC P0420 catalyst efficiency below threshold
FG_Coupe
on Jun 21, 2007
Jun 22, 2007
09:03 AM
by
MonkeyConQueso
7
2,370
Honda Civic (2006 - 2015)
P0420
EM1SiR85
on May 26, 2007
May 26, 2007
05:15 PM
by
Eran
6
885
Honda Civic / Del Sol (1992 - 2000)
CEL 67? Catalyst system Efficiency Below Threshold malfunctioning or defective catalyst system
xunkn0vvnx
on Feb 23, 2007
Feb 24, 2007
02:28 AM
by
xunkn0vvnx
2
2,239
Acura Integra
CEL 67? Catalyst system Efficiency Below Threshold malfunctioning or defective catalyst system
xunkn0vvnx
on Feb 23, 2007
Feb 24, 2007
12:07 AM
by
Stein
3
2,739
Acura Integra Type-R
Where to start --> Troubleshooting Civic SI 00
ctjohn23
on Jan 2, 2007
Jan 2, 2007
11:40 AM
by
MasterKwan
10
633
Honda Civic / Del Sol (1992 - 2000)
CEL: P0420 "Catalyst System Efficiency Below Threshold"
ieatrice
on Nov 14, 2006
Nov 14, 2006
12:04 PM
by
Relic1
7
1,893
Honda Civic / Del Sol (1992 - 2000)
Ecu code 67 Catalyst system efficiency below threshold, what does it mean???
chomorro
on Jun 25, 2006
Jun 26, 2006
10:24 AM
by
chomorro
7
3,225
Honda Accord (1990 - 2002)
po420 ej8
another silver ej8
on May 22, 2006
May 24, 2006
12:55 PM
by
another silver ej8
8
1,816
Honda Civic / Del Sol (1992 - 2000)
check engine light on for catalytic converter.....PLEASE HELP!!!
dashskier540
on May 21, 2006
May 21, 2006
06:39 PM
by
5lugSlug
8
2,632
Honda Civic / Del Sol (1992 - 2000)
Check engine light on, throwing P0420 on a 98 Accord LX
clawhammer
on May 15, 2006
May 16, 2006
09:41 AM
by
Ross 2.0
12
2,736
Honda Accord (1990 - 2002)
99 EX catalyst system below threshold code
jorober5
on Feb 8, 2006
Feb 9, 2006
04:40 AM
by
jorober5
3
557
Honda Accord (1990 - 2002)
Honda Accord 3.0 liter '98 Catalytic Converters
marshalltech
on Nov 1, 2005
Nov 1, 2005
04:12 PM
by
Chiovnidca
5
1,884
Honda Accord (1990 - 2002)
HX35
SwappedTURBOegg
on Sep 17, 2005
Sep 18, 2005
06:38 AM
by
drumking15
7
2,228
Forced Induction
Comptech Cat check engine light CEL 67
Year2000
on Aug 17, 2005
Aug 17, 2005
01:32 PM
by
Year2000
7
693
Acura Integra
P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
Integgin
on Jun 2, 2005
Jun 2, 2005
07:43 PM
by
Echo7847
3
6,429
Acura Integra
Engine Code P420: Catylist System below Threshold
AustinGT
on May 8, 2005
May 9, 2005
03:43 PM
by
AustinGT
5
2,987
Honda Accord (1990 - 2002)
Catalyst system efficiency below threshold
elpiar
on May 6, 2005
May 8, 2005
09:37 AM
by
RedWolf01
3
974
Honda Civic / Del Sol (1992 - 2000)
P0420 - Catalyst System Efficiency Below Threshold
eMonk
on Jan 3, 2005
Jan 4, 2005
01:00 PM
by
PrettyLude
9
1,390
Honda Prelude
Need help for 99 Civic LX
thor1967
on Dec 12, 2004
Dec 13, 2004
04:40 AM
by
ironlung78
8
616
Honda Civic / Del Sol (1992 - 2000)
Couple of trouble codes.
Klutch
on Oct 6, 2004
Oct 8, 2004
07:11 AM
by
Klutch
6
629
Honda Accord (1990 - 2002)
code P0422 on my obd2 hatch, cat efficiency below threshold?
E36 Guy
on Sep 30, 2004
Oct 3, 2004
05:13 PM
by
E36 Guy
8
1,279
Honda Civic / Del Sol (1992 - 2000)
P0420 Catalyst System Efficiency Below Threshold (bank no. 1) means?
Integra_Boi
on Sep 30, 2004
Oct 1, 2004
08:07 AM
by
Integra_Boi
4
3,004
Acura Integra
oh Dninja fellas help me choose my boost level!!!!!
yusoslo
on Sep 9, 2004
Sep 11, 2004
07:16 PM
by
yusoslo
18
664
Forced Induction
Catalyst system Efficiency below Threshold Malfunctioning or defective catalyst
chdn20
on Aug 28, 2004
Aug 29, 2004
07:00 AM
by
racekar
9
3,667
Honda Civic / Del Sol (1992 - 2000)
help ""P0420 Catalyst System Efficiency Below Threshold (Bank 1)""
crv-R
on Aug 26, 2004
Aug 26, 2004
11:39 PM
by
crv-R
0
2,374
Acura TL, RL & ZDX
ABS VS Locking Brakes
C-Zero
on Jul 26, 2004
Jul 27, 2004
10:31 AM
by
Jon V
11
637
Road Racing / Autocross & Time Attack
Catalyst System Efficiency Below Threshold
rishi75
on Jul 22, 2004
Jul 22, 2004
08:02 PM
by
stumpyf4
4
813
Acura Integra
Problem - Catalyis efficiency below threshold
FrankSaucedo
on Jun 15, 2004
Jun 15, 2004
03:39 PM
by
sinatra
2
446
Honda Civic / Del Sol (1992 - 2000)
OBD code for 99 Accord EX...trying to pass emissions test.
lovic
on May 24, 2004
May 24, 2004
08:22 PM
by
Oh Crap
1
578
Honda Accord (1990 - 2002)
97 Accord CEL code 67(catalyst system below threshold)
lilredhatch
on Apr 25, 2004
May 16, 2004
07:27 PM
by
yellow69
5
1,813
Honda Accord (1990 - 2002)
Page 2 of 3
<
1
2
3
>
All times are GMT -8. The time now is
06:45 AM
.