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Thread: EGR Delete

  1. #1
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    EGR Delete

    Are there any downside issues to deleting the EGR valve on my 1991 5.0L engine if I install a block off plate and eliminator plug sold for that purpose?
    Phil: FFR 3121, Mk 1 1/2 built 2002, 1991 302, T-5 and 3.55 rear.

  2. #2
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    Emissions is the only downfall. It will run the same and make the same power with or with out it. The one good benefit is the intake will be cleaner especially if the valve covers are atmospheric vented and there is one less part to fail. But once again it’s a emissions thing. Depending on your state deleting the PCV and EGR might not be legal.
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  3. #3
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    Thanks. I am smog exempt in Texas so no emissions issue. What should I do about EGR solenoid? Replace with resistor sized to resistance of solenoid? Thanks.
    Phil: FFR 3121, Mk 1 1/2 built 2002, 1991 302, T-5 and 3.55 rear.

  4. #4
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    When I removed the EGR on my F250, the delete kit provided all the covers, etc., but I had to use a programmer to disable the Check Engine Light and suppress the code. I'm also emissions exempt, but kept all the parts in case I ever sell the truck to someone that isn't.
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  5. #5
    Not a waxer Jeff Kleiner's Avatar
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    Quote Originally Posted by ptstew View Post
    Thanks. I am smog exempt in Texas so no emissions issue. What should I do about EGR solenoid? Replace with resistor sized to resistance of solenoid? Thanks.
    Here is what you need if you want to create your own resistor setup.



    Either by this method or by using one of the plug in eliminators you need to spoof the computer otherwise it will think that there is an EGR failure and will add fuel and pull out timing.

    Jeff

  6. #6
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    Good thought on keeping everything and I don’t have CEL. I can check codes manually, though. I have the eliminator plug for the EGR valve position sensor. What about eliminating the EGR solenoid? Thanks.
    Phil: FFR 3121, Mk 1 1/2 built 2002, 1991 302, T-5 and 3.55 rear.

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