Hi, I have a 1998 prelude. After putting on a highflow cat, full catback exhaust, and intake, my check engine light wont turn off. I talked to a guy down at the place I got my exhaust put on. He said I should get a new o2 sensor. They hooked my car up to the computer and it told them that my highflow cat is throwing the code. I am sure some of you have put on highflows, did you have this same problem? any suggestions?

Thanks

 

my brother has the same problem with his hi flow cat. its the 02 sensor. he never got his fixed, i dont know if replacing the sensor would fix it since ur sensor more then likely works fine. ill ask him 2 morrow what they said he needed to get his light to shut off.

 

thx. The only way I get it to turn off is if i reset my battery. Then after about 20 miles it would come back on again. This concerns me only because of inspection tests.

 

get an o2 simulator off of ebay....

because yes, you will fail inspection like it is now.....

 

some one else chime in here there is a thread on a DIY mechanical o2 simulator that gets rid of cels for hi flow cats and such, i just dont know where i saw it at

 

I took bb4ever's advice and bought one off ebay... I will post the result after I put it on. $12 ftw

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by frompa &raquo;</TD></TR><TR><TD CLASS="quote">I took bb4ever's advice and bought one off ebay... I will post the result after I put it on. $12 ftw</TD></TR></TABLE>

not bad at all. let us know how it works.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by frompa &raquo;</TD></TR><TR><TD CLASS="quote">I took bb4ever's advice and bought one off ebay... I will post the result after I put it on. $12 ftw</TD></TR></TABLE>

your the one and only

 

here is the link to what i bought: http://cgi.ebay.com/ebaymotors...wItem

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 98vtec &raquo;</TD></TR><TR><TD CLASS="quote">your the one and only </TD></TR></TABLE>

you must forget im the world champ e-kickboxer...

your shins are FUCKED son....

8 miles in cotton dockers

 

Got the smilulator... now how do I install this thing?

 

you have to get and install an o2 sim, the check engine light that you are getting is catalyst ineffeciency or catalyst below threshold, the computer is just throwing that code, because of the high flow cat, and its sensing that the cat is not doing its job

 

Just put got it put on. It works, no more check engine light. Thx bb4ever for the suggestion