HOME
ASK A QUESTION
REPAIR GUIDES
BECOME A MEMBER
LOG IN
Login with Facebook
OR
Remember me
NOT A MEMBER?
FORGOT PASSWORD?
CONTACT US
PRIVACY POLICY
TERMS AND CONDITIONS
☰
Home
Acura
CL
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
Code P0420
FBURKS
MEMBER
ACURA CL
97 acura cl 2.2 120k miles the code indiacates catalyst system efficiency below threshold Bank (1) any idea on how to correct
Monday, October 29th, 2007 AT 10:21 AM
1 Reply
LOSTINMARS
MECHANIC
222 POSTS
Replace the catalytic converter and based on the mileage the 2 o2 sensors as well.
P0420/p0430 are 2 of the most solid codes out there. The only way i'd say it might be something else is if the car was newer and the miles very low.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Monday, October 29th, 2007 AT 1:14 PM
Please
login
or
register
to post a reply.
Related P0420 Content
1998 Acura Cl Code P0420
The Code For Catalyst Efficiency Below Threshold Bank 1 Showed Up When I Purchased The Car And I Gave It Back To The Dealer And They Must...
Asked by
luis48
·
2 ANSWERS
1998
ACURA CL
97 Acura Cl P0401 Error Code
Hi, I Have A 97 Acura Cl 3.0 And My Check Engine Light Went On Few Months Ago With Error Code P0401 (egr Insufficient Flow). Did Some...
Asked by
giants200
·
5 ANSWERS
1997
ACURA CL
1997 Acura Cl P0401 Egr Insufficient Flow
P0401 Egr Insufficient Flow I Am Getting The Above Code On My Car. I Know What Needs To Be Done, And Would Prefer To Do It Myself, But...
Asked by
jzaslaw
·
4 ANSWERS
1997
ACURA CL
1998 Acura Cl Engine Codes Flashing. Please Help!!
I Have A 98 Cl And The Oil Belt Just Broke. Had It Replaced And Ran A Diagnostic On The Car. Results Came Back Sayin That I Had Low...
Asked by
acura2.3 cl
·
3 ANSWERS
1998
ACURA CL
Sponsored links
Ask a Car Question. It's Free!
SPONSORED LINKS
How to Read Codes
Code Read Retrieval/Clear Mercedes Benz
Code Read Retrieval/Clear Mercedes-Benz C230
Online car repair manuals