Thread: rear o2 needed?

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  1. #1 rear o2 needed? 
    GT Level Member m17davis's Avatar
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    Im not 100% sure about this one...... im relocating my fusebox and pcm and I was wondering if I have to wire in the rear o2 sensor? I deleted the cat and had those codes taken out so there is no engine light. Thanks for any input
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  2. #2 Re: rear o2 needed? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    97-00 doesnt need it.

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  3. #3 Re: rear o2 needed? 
    GT Level Member m17davis's Avatar
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    Perfect. Thank you!
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  4. #4 Re: rear o2 needed? 
    Moderator dsmuts's Avatar
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    I'm running without.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  5. #5 Re: rear o2 needed? 
    GT Level Member WolvesSoulZ's Avatar
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    Running without on my 04 too. all it does is make it a bit richer for a few seconds then it all gets normal. Tuned by Will, tho.
    2000 GT - L67 swapped SOLD | 2004 GT1 - Winter Beater - SOLD
    2004 GTP Comp-G - 3.3"/3.2", XP, #50 , 4" MAF, SD's, 180*, AL103's, HAI, Tuned, 06+ Dual pistons brakes, STB's, SSC's and FE3.
    2011 Audi A6 S-Line - Also Supercharged
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  6. #6 Re: rear o2 needed? 
    GT Level Member m17davis's Avatar
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    After driving it for a little I got a P0134. Is this cause I didnt connect the rear o2 wires to pcm and fusebox
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  7. #7 Re: rear o2 needed? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Seems that code is for bank 1 sensor 1, no activity.

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  8. #8 Re: rear o2 needed? 
    GT Level Member m17davis's Avatar
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    Oh yeah. I forgot it said that. Lol it runs perfect tho. could I have the wrong o2? I replaced it with one from.the junkyard that doesnt have the ground on the outside of it
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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