Thread: Sim o2 sensor 04 gtp

I was talking to my friend about my bad mpg, he said I need to sim my rear o2 with resistors,

What resistance would i need to put in to send a good signal to the computer?

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So could I just buy a bung and weld it in, throw An o2 in it even without the cat and fix the problem?

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Pacesetter headers, zzp short stack intercooler, 1.9 rockers, 3.3 pully, flowmasters.

And yes my headers are sealed up good, but I'm sick of 14mpg-17mpg

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Any high flow cat will be good? :-)

I saw some magnaflow ones and pacesetter ones for $100, and would that change the sound of my exhaust?

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I have a 04 with no cat. I put the 2nd O2 way downstream and I haven't set any Cat codes...

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Originally Posted by LapeerGTP

I have a 04 with no cat. I put the 2nd O2 way downstream and I haven't set any Cat codes...

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still get good mpg? That's ultimately what I am trying to fix, and how far downstream?

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O2 Simulator Mini Cat Cel Fix

I found this, seems interesting and like it just might work. Anyone ever heard of it?

Whatcha think about that cat sim

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