Thread: pcm question

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  1. #1 pcm question 
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    quick question,

    installed my sd headsers. and didn't have time to install my cat back so I put the o2 sensor in that goes in the rear man I but I didn't put the one that goes after the cat . I had to drive it over 20 miles to go somewere with open headers and I had no engine lights or any problems ? shouldn't it throw a code or does the rear one not matter ?
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  2. #2 Re: pcm question 
    Moderator dsmuts's Avatar
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    What are you driving?
    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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  3. #3 Re: pcm question 
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    02 gtp, is it possible to see if u have a une or not? I bought it used so not sure
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  4. #4 Re: pcm question 
    Moderator dsmuts's Avatar
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    If your fans stay on after you shut the car off to have a tune
    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: pcm question 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    The rear one matters, but likely it wasnt enough time for it toss a code yet.

    SMGPFC Member #1
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  6. #6 Re: pcm question 
    Moderator dsmuts's Avatar
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    I think it takes 3 dRive cycles
    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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