Throwing a code 67

trav143 · 2008-06-10 01:42:50

2000 dx https://honda-tech.com/forums/images/smilies/emhammer.gif Throwing a code 67? do you no what thay all are

Reply Subscribe

Thread Tools

Search this Thread

Jun 9, 2008 | 05:42 PM

trav143

Thread Starter

Junior Member

Joined: Dec 2007

Posts: 50

Likes: 0

From: olympia, wa, us

Throwing a code 67

2000 dx

Throwing a code 67?
do you no what thay all are

Jun 9, 2008 | 05:53 PM

1CaMw0nDeR

Junior Member

Joined: Apr 2008

Posts: 420

Likes: 0

From: MiAmi, FL, UsA

Re: Throwing a code 67 (trav143)

PO420 (67):
Catalyst System Effeciency Below Threshold...

Try replacing your secondary O2 sensor first, and if that doesnt do it and ur CEL continues to throw code, replace the catalytic converter...

Jun 9, 2008 | 06:02 PM

trav143

Thread Starter

Junior Member

Joined: Dec 2007

Posts: 50

Likes: 0

From: olympia, wa, us

Re: Throwing a code 67 (1CaMw0nDeR)

dun both but my car has a headr and 2 " pipe all the way back

Jun 9, 2008 | 06:03 PM

trav143

Thread Starter

Junior Member

Joined: Dec 2007

Posts: 50

Likes: 0

From: olympia, wa, us

Re: Throwing a code 67 (trav143)

if thas all dun how can i fix it

Jun 9, 2008 | 06:18 PM

1CaMw0nDeR

Junior Member

Joined: Apr 2008

Posts: 420

Likes: 0

From: MiAmi, FL, UsA

Re: Throwing a code 67 (trav143)

Well, did u reset ur ecu..?? "unplug battery for about 10 minutes"....

Jun 9, 2008 | 06:22 PM

trav143

Thread Starter

Junior Member

Joined: Dec 2007

Posts: 50

Likes: 0

From: olympia, wa, us

Re: Throwing a code 67 (1CaMw0nDeR)

yes thin it pops bacl on after like a 2 h of drive ing

Jun 9, 2008 | 07:08 PM

vtec4max

Honda-Tech Member

Joined: Sep 2006

Posts: 826

Likes: 0

From: Ricerville, wi, US

only way to fix it is to cut your pipes up and put in a TWC cat in place between the two O2s. Missing cat will be the same as if the cat is not there.