EGR valve baffle?
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EGR valve baffle?
Anybody heard of a Ford aftermarket item that enhances the function of the EGR valve? A baffle of some sort? That is all I know, rumor stuff, apologies up front if this sounds stupid...any help is appreciated.
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Senior User
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Finished my 100k service, Ford checked FICM voltage (47.5), fuel pressure (58) and cleaned EGR valve, which looked good. The baffle plate I referenced above is part number 6C3Z-9P449-A. Just curious what the techs on here or others know about this. The service advisor told me the techs like it, he says it helps keep the EGR functional and clean of carbons, but I have not heard about it on here, or otherwise.
Thanks for anyone with more info on the whole baffle plate deal.
Thanks for anyone with more info on the whole baffle plate deal.
Tuned
Joined: Aug 2008
Posts: 301
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My only concern is that I have not had any EGR issues, and they put this in. I don't think it was to chalk up another sale, I asked them to pull the EGR valve while they checked the FICM voltage and the fuel pressure. They said the valve looked good, the passages look good, and here is an extra measure of protection for you while we are in there.
Hotshot
Joined: Aug 2006
Posts: 17,400
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From: Whittier, CA
The TSB implies that higher oil levels will increase the amount of oil that the CCV will pull. That makes some sense particularly if there is any foaming going on. It says to suggest to the customer to keep the oil level at the middle of the dipstick. That's what I do, but I do it for a different reason. This is the first time that I have seen a Ford document suggest that.
Filling with 14 quarts does that for me. Now I have another reason for doing it my way.
Filling with 14 quarts does that for me. Now I have another reason for doing it my way.
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Tuned
Joined: Aug 2008
Posts: 301
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My only concern is that I have not had any EGR issues, and they put this in. I don't think it was to chalk up another sale, I asked them to pull the EGR valve while they checked the FICM voltage and the fuel pressure. They said the valve looked good, the passages look good, and here is an extra measure of protection for you while we are in there.
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Tuned
Joined: Sep 2004
Posts: 255
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From: San Mateo, CA
The TSB implies that higher oil levels will increase the amount of oil that the CCV will pull. That makes some sense particularly if there is any foaming going on. It says to suggest to the customer to keep the oil level at the middle of the dipstick. That's what I do, but I do it for a different reason. This is the first time that I have seen a Ford document suggest that.
Filling with 14 quarts does that for me. Now I have another reason for doing it my way.
Filling with 14 quarts does that for me. Now I have another reason for doing it my way.
Hotshot
Joined: Aug 2006
Posts: 17,400
Likes: 319
From: Whittier, CA
I hope a tech will drop in and give us an opinion on this thing. Meanwhile, here is mine.
Read the TSB. It is really informative. As I read it, the baffle is a bandaide action for some other issue. The problem is excessive oil in the intake air flow. The TSB is clear that the tech should try to diagnose and cure the issue which is causing the excess oil.
The baffle goes below the intake elbow, not in the EGR port and not on the valve. It's purpose is to keep the oily intake air from flowing directly across the EGR valve and causing it to get sticky, thereby collecting more soot and clogging the valve.
If your EGR valves are coming out sticky with oily soot, the baffle might help keep the valve dry, but it won't solve the question of where the oil is coming from. If you have such an issue, a CCV reroute might be much more effective. But of course Ford cannot sell us that.
Read the TSB. It is really informative. As I read it, the baffle is a bandaide action for some other issue. The problem is excessive oil in the intake air flow. The TSB is clear that the tech should try to diagnose and cure the issue which is causing the excess oil.
The baffle goes below the intake elbow, not in the EGR port and not on the valve. It's purpose is to keep the oily intake air from flowing directly across the EGR valve and causing it to get sticky, thereby collecting more soot and clogging the valve.
If your EGR valves are coming out sticky with oily soot, the baffle might help keep the valve dry, but it won't solve the question of where the oil is coming from. If you have such an issue, a CCV reroute might be much more effective. But of course Ford cannot sell us that.
Post Fiend
Joined: Oct 2009
Posts: 12,123
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From: N. Fort Worth, tx
this tsb is outdated and no longer used. sorry..
its a great sorce of information on the many things that will create the po401,p0404,
p1335 ,p0299 dtc's
Ive installed the baffle maybe 2x. not something I see much use to. I would rather know I had an issue and get it fixed vs. tring to cover it up long enugh to make it go away.
its a great sorce of information on the many things that will create the po401,p0404,
p1335 ,p0299 dtc's
Ive installed the baffle maybe 2x. not something I see much use to. I would rather know I had an issue and get it fixed vs. tring to cover it up long enugh to make it go away.
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