EGR questions
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Posting Guru
Joined: Jan 2001
Posts: 1,101
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From: Poway, CA
EGR questions
OK-
I've read everyone's rave reviews of putting a restrictor plate on the EGR valve. So this weekend while cleaning out the throttle body and Idle Air Bypass, I went ahead and pulled it off the back of the intake manifold. I couldn't get the dang thing off that big ole rusty pipe it's hooked up to back there, so I took an inspection mirror and checked out the intake side. Something definetely looked wrong. The lower hole on the intake side was completely blocked off. It wasn't buildup or anything like that, but it did look like someone threw a freze plug in there or something. Is it supposed to be like that?
Mike
1990 F150 Custom
4.9L I6, Mazda 5spd
K&N FIPK, Magnaflow Exhaust
and the newest goodie for my baby....
DUAL 10" POLK EX10S IN A QLOGIC BANDPASS. BOOM BABY!!!!
I've read everyone's rave reviews of putting a restrictor plate on the EGR valve. So this weekend while cleaning out the throttle body and Idle Air Bypass, I went ahead and pulled it off the back of the intake manifold. I couldn't get the dang thing off that big ole rusty pipe it's hooked up to back there, so I took an inspection mirror and checked out the intake side. Something definetely looked wrong. The lower hole on the intake side was completely blocked off. It wasn't buildup or anything like that, but it did look like someone threw a freze plug in there or something. Is it supposed to be like that?
Mike
1990 F150 Custom
4.9L I6, Mazda 5spd
K&N FIPK, Magnaflow Exhaust
and the newest goodie for my baby....
DUAL 10" POLK EX10S IN A QLOGIC BANDPASS. BOOM BABY!!!!
Posting Guru
Joined: Dec 2001
Posts: 2,017
Likes: 2
From: Southeast FLA
EGR questions
I have to admit I didn't look in. There is no need to take it off of the pipe if you want to slip a plate in there, though.
Perhaps a knowledgeable person or dealership came up with a fix to restrict half of the EGR flow? But heck, mine might have already been like that, so I don't know. I'd offer to take mine apart to see, but I didn't like the way one of the two bolts went in... so I'm thinking there might be a cross-thread problem with mine now, so it isn't ever coming apart again.
Anyone else?
Perhaps a knowledgeable person or dealership came up with a fix to restrict half of the EGR flow? But heck, mine might have already been like that, so I don't know. I'd offer to take mine apart to see, but I didn't like the way one of the two bolts went in... so I'm thinking there might be a cross-thread problem with mine now, so it isn't ever coming apart again.
Anyone else?
Senior User
Joined: Feb 2000
Posts: 390
Likes: 1
From: South East Alabama
EGR questions
Mine was the same way. I assume that the valve originally was for a larger engine. When they threw it on the six maybe it didn't need as much gas flow. It does appear to have a plug in it. Just put the plate between the valve and manifold. I sealed mine with Permatex sealant.
Chris
Chris
