Egr restrictor plate
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Freshman User
Joined: Apr 2005
Posts: 42
Likes: 0
From: quesnel B.C.
Egr restrictor plate
Hello
i am curious about doing the egr restrictor plate mod to my 93 f 150, i have used the search feature on here but didn't find much with a working picture. Besides i always get side tracked reading old posts anyway, so i thought if anybody had some old pictures and a write up that would be great
any body done this in a while? any side effects.
Pictures would be awesome if there are any.
if there is a thread on this, is it possible to make it a sticky or something that could be added to this forum so it could easily be found cause from what i have read it works.
thanks for any info
i am curious about doing the egr restrictor plate mod to my 93 f 150, i have used the search feature on here but didn't find much with a working picture. Besides i always get side tracked reading old posts anyway, so i thought if anybody had some old pictures and a write up that would be great
any body done this in a while? any side effects.
Pictures would be awesome if there are any.
if there is a thread on this, is it possible to make it a sticky or something that could be added to this forum so it could easily be found cause from what i have read it works.
thanks for any info
Elder User
Joined: Dec 2003
Posts: 660
Likes: 3
From: Northern California
No pictures, but try this !!
Even easier than the EGR restrictor plate would be (from an earlier post).....
"Go a hardware store and get a couple of 3/4" diameter fender washers, one with a 5/32" hole in it, and the other with a 7/32" hole in it.
Loosen the tube nut on the EGR valve and slide it back a little and insert the fender washer with the 7/32" hole in between the EGR valve and the flange for the EGR tube then snug it all back up.
This will allow EGR to flow (at a reduced rate) into the system and keep the CEL light off.
Test drive your truck a couple of days. If there's the slightest hint of a stumble or hesitation, do the above again and replace the washer with the 7/32" hole in it with the other washer that has the 5/32" hole in it.
In a sense.....it's an inline EGR Restrictor Plate !!!!
My total cost for this fix was 34 cents....and that was for 2 washers !!!! "
Much easier to install---1 nut*** EGR Tube Nut *** to loosen/tighten
Already fabricated
Hidden from the smog *****' visual inspection
That should get you going !!
Bob
Even easier than the EGR restrictor plate would be (from an earlier post).....
"Go a hardware store and get a couple of 3/4" diameter fender washers, one with a 5/32" hole in it, and the other with a 7/32" hole in it.
Loosen the tube nut on the EGR valve and slide it back a little and insert the fender washer with the 7/32" hole in between the EGR valve and the flange for the EGR tube then snug it all back up.
This will allow EGR to flow (at a reduced rate) into the system and keep the CEL light off.
Test drive your truck a couple of days. If there's the slightest hint of a stumble or hesitation, do the above again and replace the washer with the 7/32" hole in it with the other washer that has the 5/32" hole in it.
In a sense.....it's an inline EGR Restrictor Plate !!!!
My total cost for this fix was 34 cents....and that was for 2 washers !!!! "
Much easier to install---1 nut*** EGR Tube Nut *** to loosen/tighten
Already fabricated
Hidden from the smog *****' visual inspection
That should get you going !!
Bob
5th Wheeling
Joined: May 2000
Posts: 29
Likes: 0
From: Eddy county, New Mexico
egr restrictor trick eliminated bog
Thanks for the post. The 3/4" fender washer with a 1/8" hole fits nicely between the pipe and the EGR valve. The washer edge was ground down a bit with a dremel tool to make it fit nicely.
End result: eliminated the excess EGR flow and all the off-idle bogging the truck has always had is gone. Gas mileage is up, and so is the off-idle, in-town, and highway speed performance. There is no spark knock or change in coolant temp after the mod. No MILs either before or after the mod.
I live in SE New Mexico at a low 3300' altitude. YMMV.
Cheers,
Mike M
'93 Bronco XLT, 5.8L
End result: eliminated the excess EGR flow and all the off-idle bogging the truck has always had is gone. Gas mileage is up, and so is the off-idle, in-town, and highway speed performance. There is no spark knock or change in coolant temp after the mod. No MILs either before or after the mod.
I live in SE New Mexico at a low 3300' altitude. YMMV.
Cheers,
Mike M
'93 Bronco XLT, 5.8L
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