A quick Question might be a bit dumb
Thread Starter
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Junior User
Joined: Jul 2004
Posts: 96
Likes: 1
A quick Question might be a bit dumb
Have a 04 f250 just done egr delete new oil cooler, turbo overhaul, injectors overhauld. The question is in the throttle housing the butterfly valve thats in there to help with back pressure would it hurt to remove the valve. Just something to think about since it was removed in the newer models.
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
You can buy the parts from an 05 to remove the butterfly valve. From what I understand, it should just bolt on.
If you haven't had a CEL thrown from your EGR delete, then no worries.
Not sure what words to use in the search for the topic of changing the parts for the 05.
Maybe someone will step in and give you a link.
If you haven't had a CEL thrown from your EGR delete, then no worries.
Not sure what words to use in the search for the topic of changing the parts for the 05.
Maybe someone will step in and give you a link.
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Some 04's don't throw or set a "Check Engine Light" ( CEL ) when you delete or unplug the EGR valve. If you haven't had your CEL come on, you must have one that wont set the code.
My 04 does set the CEL.
05's and up will.
My 04 does set the CEL.
05's and up will.
Thread Starter
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Junior User
Joined: Jul 2004
Posts: 96
Likes: 1
Ok now i know what you mean. The truck does not throw a CEL on there when egr unplugged. So does anyone else know how it will effict performance good or bad
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Senior User
Joined: Feb 2004
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From: Webb, MS
You can remove the two screws holding the throttle blade and remove it. It won't throw a light but will throw a code for insufficiant EGR flow. It did on my 04 anyhow.
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I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Man, I forgot about just taking the elbow off and removing the stupid plate! Just don't drop those little screws in there. I used a vice grip against the side of the housing to keep the plate flat while I removed the screws.
Senior User
Joined: Feb 2004
Posts: 254
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From: Webb, MS
I heard that 04 CA trucks would throw a light if you screwed with the EGR or removed the butterfly but I ran with EGR unplugged for a short time and than ran two EGRs and the removed butterfly and no light. The code will be there in the background but no light. Can't say what will happen with an emissions inspection in TN. Never lived in a state that cared about that yet.
Posting Guru
Joined: Nov 2009
Posts: 1,522
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From: Liberty, NC
I installed an AFE bladerunner intake in which I had to remove the throttle plate that reminded me of losing an engine brake. Once you take your foot off of the throttle, it just coasts. It feels like I can coast forever now and see how they say how you can get such great MPGs......... by only coasting. Lol
