no cat. on a 2G

97EclipseGS-T · Mar 27, 2003

will running a test pipe in place of the cat on a 97 GS-t cause any problems with the o2 sencor, or the CE light?

any other added info is greatly appreaciated
thanks

GSXtsy · Mar 27, 2003

The CE light will come on to tell you that your cat isn't working.

97EclipseGS-T · Mar 28, 2003

so then everyone w/o a cat has their CE light on?

Thats Cheesey!!

any way to get arround it?

AWD Terror · Mar 28, 2003

This is what some people use...

http://www.thefbody.com/~95tsiawd/O2bypass.html

broadypunk · Mar 28, 2003

some people get the CEL, some don't....i have gotten it 5 times in the 2 years that i've ran a test pipe. i check/clear it with my datalogger....no big deal.

venom42 · Mar 28, 2003

You can buy an O2 simulator from Summit or Jegs (or lots of other places I am sure) that takes the place of the rear O2 sensor. They are made for domestics I think, but should work fine. May have to splice some wires.

Backfired · Apr 2, 2003

I've been driving w/out a cat for over a year now, and never once had my CEL on. (for the o2.. or cat being off, that is). Some get it, some do not. Maybe becuase half of the little DSM stickers on my car have 94-95 production dates on them. Early 2G's are the shit.

LaNg Jii · Apr 4, 2003

I have a test pipe and I haven't had a CEL so far.

DSM Vice · Apr 4, 2003

Backfired said:
Early 2G's are the shit.

YES! The TRUE DSM 2G's....

GSXtsy · Apr 4, 2003

Backfired said:
Early 2G's are the shit.

Yes they are! Does anyone know how many were made?

kurupt_67 · Apr 23, 2003

so will not having the o2 sensor hurt the performance or can you put the o2 sensor in the test pipe or before it or after it.

GSXtsy · Apr 23, 2003

If you run a test pipe you won't lose any performance. The REAR O2's main job is to tell the ecu if the cat is working or not. So, your CEL might come on(because your cat isn't working), but you won't lose any power.

kurupt_67 · Apr 23, 2003

i just had my exhaust installed with a test pipe and i just had them weld it into the cat. Seems to work fine that way and there is no cel.

no cat. on a 2G

97EclipseGS-T

GSXtsy

97EclipseGS-T

AWD Terror

broadypunk

venom42

Backfired

LaNg Jii

DSM Vice

GSXtsy

kurupt_67

GSXtsy

kurupt_67

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