Thread: Check Engine Light

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  1. #1 Check Engine Light 
    WHITE02GTP
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    Question 09-01-2008
    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 
    02BlueGT
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    Default 09-01-2008
    How many miles, your 02 sensor may have just worn out, they get old and fail.... If your above 60k, check the wiring, and if it is ok, then replace the sensor....If you search around online, you can find the sensor for 35-60 bux and it is about 5 - 10 bux at your local auto-parts store for the special socket to make it easier to install remove
    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
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  3. #3 Re: Check Engine Light 
    TDCRacing
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    Default 09-01-2008
    Ahh i found it....
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  4. #4 Re: Check Engine Light 
    02BlueGT
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    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
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