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Thread: 5.7L running too lean (very high NOx), won't pass state emissions

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  1. 03-09-2017 #9
    bigmac
    bigmac is offline
    Fuel Injected!
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    Mar 2017
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    This part number is on the injector body AC 112. Next to it is another number 17064317. However, when I search AC Delco's website, it says both numbers don't exist. See
    Lee
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