Thread: Troubleshooting Help! p0120 & p0121

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  1. #4 Re: Troubleshooting Help! p0120 & p0121 
    Donating Users Lawngoose's Avatar
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    Thanks, I had some exhaust welding work done this morning at the Y for my pacesetters, but the o2 was out and I got these errors when my EGR was leaking.... I first saw these codes after I did my header install.
    Last edited by Lawngoose; 10-21-2008 at 11:36 AM. Reason: more info
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