Thread: Falling mileage w/ new oxygen sensor.

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  1. #21 Re: Falling mileage w/ new oxygen sensor. 
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    The PCV and fuel filter are both new. How can I test my EGR and injectors?
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  2. #22 Re: Falling mileage w/ new oxygen sensor. 
    GrandPrix Junkie Sabrewings's Avatar
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    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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  3. #23 Re: Falling mileage w/ new oxygen sensor. 
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    Can you tell me where the EGR is, and how to clean it? Would carb cleaner work?

    and how much should I expect to have to spend on a fuel pressure tester? I don't have one, and have never used one.
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  4. #24 Re: Falling mileage w/ new oxygen sensor. 
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    Quote Originally Posted by spenc938 View Post
    Can you tell me where the EGR is, and how to clean it? Would carb cleaner work?
    I wouldn't use carb cleaner on anything in my engine. It's very bad for sensors. TB cleaner would probably work. As far as where it is, it's to the driver side rear of the engine, a vertical looking cylinder with an electrical connector on top. If you don't have a Haynes/Chilton manual yet, you should get one.

    Quote Originally Posted by spenc938 View Post
    and how much should I expect to have to spend on a fuel pressure tester? I don't have one, and have never used one.
    I don't know the exact price, but they're not expensive. It's just a pressure gauge with a fitting.
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  5. #25 Re: Falling mileage w/ new oxygen sensor. 
    GT Level Member mainecrab's Avatar
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    Truly if you are only going 2 miles back and forth to school, should you really worry about spending so much on getting the milage above what it is now?
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  6. #26 Re: Falling mileage w/ new oxygen sensor. 
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    That's only been because I haven't been working. When I start working again, which is next week, it will be between 20 and 30 miles a day.
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