Thread: Installed headers now problems

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  1. #1 Installed headers now problems 
    Moderator dsmuts's Avatar
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    I just installed headers and now my speedometer doesn't work and my oil pressure light is on. I know i have oil pressure because i loosened my oil filter and started the car......big mess, but i do have oil pressure. not sure what happened. Any input is appreciated. Thanks
    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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  2. #2 Re: Installed headers now problems 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Are all your sensors plugged in?
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  3. #3 Re: Installed headers now problems 
    Moderator dsmuts's Avatar
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    I'm pretty sure they are except the 02
    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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  4. #4 Re: Installed headers now problems 
    GTP Level Member QwikGT's Avatar
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    the vehicle speed sensor is right to the left of the oil filter, maybe it got saturated and shorted out? get some brake parts cleaner and spray everything down
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  5. #5 Re: Installed headers now problems 
    Moderator dsmuts's Avatar
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    I'll check it out after work tom. I'm hoping nothing touched the headers
    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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  6. #6 Re: Installed headers now problems 
    Moderator dsmuts's Avatar
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    I also have a maf code too. would that have anything to do with the o2 being unhooked?
    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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  7. #7 Re: Installed headers now problems 
    Moderator dsmuts's Avatar
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    i also put in my new front sway so maybe i hit some wires?
    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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  8. #8 Re: Installed headers now problems 
    GrandPrix Junkie redlinepontiac's Avatar
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    hmm check by the swaybar, i did some damage getting mine in
    RayRay
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    02 lexus is300
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  9. #9 Re: Installed headers now problems 
    Turbo is the way to go. BillBoost37's Avatar
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    Check the wiring at the trans VSS and oil pressure. It sounds like you hit something pretty well to disconnect that many things. All in the same area.

    You say you have a maf code, but don't tell us which one. Sup with that?
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  10. #10 Re: Installed headers now problems 
    Moderator dsmuts's Avatar
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    sorry bill i'll check again lol. going out now to check stuff out.
    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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  11. #11 Re: Installed headers now problems 
    Moderator dsmuts's Avatar
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    i figured it out. i had part of the harness under the header on the rear. Had to cut and solder wires now it's fine just waiting for my o2 extension in the mail and i have to pick up a new o2 because i just broke it trying to pry stuff out of the way.
    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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  12. #12 Re: Installed headers now problems 
    EX GTP OWNER shawngtp's Avatar
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    we all learned the hard way too. EGTBOK
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  13. #13 Re: Installed headers now problems 
    Moderator dsmuts's Avatar
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    i just wish i could learn the easy way once lol
    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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