Thread: Falling mileage w/ new oxygen sensor.

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  1. #1 Re: Falling mileage w/ new oxygen sensor. 
    spenc938
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    Default 04-21-2008
    The PCV and fuel filter are both new. How can I test my EGR and injectors?
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  2. #2 Re: Falling mileage w/ new oxygen sensor. 
    Sabrewings
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    Default 04-21-2008
    EGR can simply be cleaned. Injectors, you could connect a fuel pressure test gauge and prime the system. Then make sure it holds pressure.
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