i pulled into my neighborhood tonight and when i finished the turn my check engine light came on. didnt run any different... maybe a little faster? prob not... checked the coed and it was 6 long, then 7 fast.... so im guessing it is 67. what the hell is this. the car is stock as ****?

 

i got this from hybrid garage.
Oxygen Sensor Heater (Secondary)
malfunctioning or defective oxygen sensor heater
#67 96-98 Civic


does this mean the cat isnt doing its job and the o2 is picking it up, or is it that the 2nd o2 is bad? thanks....

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SOHC Beast &raquo;</TD></TR><TR><TD CLASS="quote">idoes this mean the cat isnt doing its job and the o2 is picking it up, or is it that the 2nd o2 is bad? thanks....
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I would replace both, but it is either the o2, the three-way cat, or both

 

Do you have a test pipe? Or a high flow cat?

CEL 67 is the secondary O2. It just means that the ECU detects that the cat isn't working properly. It should not affect performance at all.