Throttle Plate....Remove or leave alone??
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Throttle Plate....Remove or leave alone??
Into the alternator, EGR valve area on the E450 in my signature line below and wondering if there is any benefit to removing the thottle plate? I've read some old posts from the tech folder which advocated it in 2004 but wonder now 6 years later if its still recommended or a waste of time?
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Are you saying the throttle valve on our E450 is never closing or even moving anyway?
I'm hitting easy street
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From: Central Oregon
Ok, I've got to chime in here. I tried the egr bypass where you jam a freeze plug into the up pipe. To say the least, the freeze plug did not work. 
After a couple days, started the truck and heard a little pop. Took the up pipe back off and found the freeze plug loose in the connection. I had in the process removed the butterfly valve out. I had a code first of "EGR Flow", don't remember the code number.
Replaced the up pipe with out the freeze plug, and put everything back to original. Including butterfly.
No more "EGR Flow" codes, but now have code P1334.
So, yes, some 04's will throw codes, trying to figure out how to get rid of p1334. Have cleared it a couple times, and one time it went away all by its self.
After a couple days, started the truck and heard a little pop. Took the up pipe back off and found the freeze plug loose in the connection. I had in the process removed the butterfly valve out. I had a code first of "EGR Flow", don't remember the code number.Replaced the up pipe with out the freeze plug, and put everything back to original. Including butterfly.
No more "EGR Flow" codes, but now have code P1334.
So, yes, some 04's will throw codes, trying to figure out how to get rid of p1334. Have cleared it a couple times, and one time it went away all by its self.
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From: Mattawa Washington.
I pulled my butterfly valve out last summer, I put it in the glove box with the 2 screws in case I wanted to reinstall it,but I have had no problem with it gone. It was only installed on the 04 year, so the conclusion by many is it wasn't doing the job it was intended to do.( If I remember correctly its purpose was to speed up warm up time by restricting air flow from the turbo.) It has a tendeacy to build up carbon and stick closed or partial closed, Thus the reason Ford did not install it in model years after that.
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The throttle blade on the 6.0 was intended to close and increase flow through the EGR valve during certain conditions.
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From: Mattawa Washington.
You are correct. Reading old posts again on the subject, it is amazing how much confusion there was on the throttle plate. Some didn't even have electrical connections in the plug. Makes a person think Ford wasn't too big on the idea to begin with. Of course their solution was the tab in the up pipe before the egr. cooler on 05 and later models.. Thanks for the correction...
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From: Mattawa Washington.
Some did the switch to an 05+ others like me removed the plate and some just left it alone. I found mine sticking, and removing it was very simple.
I never did read any conclusive proof that changing the elbow gave any significant gains in hp. or mpg. It has been less talked about lately but maybe someone will chime in with their experinces.
You can also do a search on throttle plate and find lots of old post on the subject.
I never did read any conclusive proof that changing the elbow gave any significant gains in hp. or mpg. It has been less talked about lately but maybe someone will chime in with their experinces.
You can also do a search on throttle plate and find lots of old post on the subject.
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