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- - Code 67 (https://www.hondaaccordforum.com/forum/general-tech-help-7/code-67-a-36892/)

ebarrera661

12-19-2010 12:30 PM

Code 67

The 1996 DX got a code 67. Catalyst system Efficiency Below Threshold malfunctioning or defective catalyst system??

So I am guessing i need a new Cat?

Can anyone clarify?

hondadude

12-19-2010 01:18 PM

If you have a 96 it would really be best to get the computer scanned, and get the actual OBD2 code.
the best way to test the cat is with a scan tool hooked up to get the true readings of the secondary sensor aka monitor.
Have you done the basic tune up items? plugs air filter? throttle body clean?

ebarrera661

12-20-2010 04:49 PM

All that was done about 1k ago. The engine was rebuilt at that time to. I have noticed a bad drop in power.

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