Honda-Tech - Honda Forum Discussion

Notices
Search: Posts Made By: trout63
Showing results 1 to 2 of 2
Search took 0.12 seconds.
Forum: Honda Accord (1990 - 2002)
03-27-2012, 05:52 PM
Replies: 48
Views: 472,192
Posted By trout63

Re: P0420 Catalyst system efficiency below threshold (bank1) o2 or cat?

I have the same code on a 99 Accord. Can someone tell me how to test the 02 sensor. Is there just one or are there two? Thanks
Forum: Honda Accord (1990 - 2002)
03-25-2012, 06:00 PM
Replies: 6
Views: 27,663
Posted By trout63

99 Accord Code P0420

Code P0420 is "Catalyst system efficiency below threshold", which means nothing to me.
99 Accord, 4 cyl, auto, 115k, still runs good,check engine light has come on in past and clearing code and...
Showing results 1 to 2 of 2


 
Forum Jump


All times are GMT -8. The time now is 11:14 PM.