Thread: Check Engine Light

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  1. #1 Check Engine Light 
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    I have a 02 GTP and I threw a code today. I got my car scanned and it came up as a P1133 code. It indicated that I had insufficent switching of my fuel ratio. Also said probable cause are: heater circuit, shorted ECM ground, and improper oxygen to sensor. ANY HELP WHERE TO START???????? I have never heard of this but the car seems to be running fine. I dunno what to do and I can really use some help to figure out why it threw the code! Thanks for your guys help I really appreciate it.

    Erick
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  2. #2 Re: Check Engine Light 
    TDCRacing
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    You have a bad or unplugged o2 sensor. Bank one sensor one. Wich is the one on the rear header.
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  3. #3 Re: Check Engine Light 
    GTX Level Member 02BlueGT's Avatar
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    ^^^You and me gave him the same answer in both of his threads....internet high-five
    2002 GT...CAI, Headers, Special Eddition two-tone leather interior added, HUD added, 12" Brake Upgrade, ZZP strut tower bars, gmpp sway bars, poly motor mounts, -6an braided SS fuel hoses , Hptuned, Headers, Top Swaped, 50lb inj, E85, 3.4
    I've got Boost!! Top swap Quesions? Click Here
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  4. #4 Re: Check Engine Light 
    TDCRacing
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    LOL thanks...what was the other thread?
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  5. #5 Re: Check Engine Light 
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    Quote Originally Posted by TDCRacing View Post
    LOL thanks...what was the other thread?
    Rofl
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  6. #6 Re: Check Engine Light 
    The mod from over yonder TheOtherNick's Avatar
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    I got the same code and replace the o2 sensor and this did not fix the problem any ideas?
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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