Intake Flow Problems

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Intake Flow Problems

Postby DynoJetta on Aug Tue 19, 2008 2:57 pm

So a couple of months ago my CEL came on and I got a code telling me "Insufficient Flow" on my EGR. You think this might be the problem?? :\

EGR
Image :puke:
Intake
Image :eek:
And I'll tell you what, it is a bugger to clean!! :banghead:
That's what I get for waiting until 100,000 miles.
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Postby Mikewire on Aug Tue 19, 2008 3:24 pm

WOW - how did you end up cleaning that up? Carbon is a biatch to remove...I just scraped the crap out of the exhaust ports on my F250 and that's not Diesel either.

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Postby DynoJetta on Aug Tue 19, 2008 4:01 pm

I wish that was just carbon. That is a mixture of Diesel Soot and Motor Oil. The soot comes from the EGR and the Oil comes from mist from the Crank Case Ventilation system. They come together in the intake to form a slimy, nasty, gets on everything-can't get off of anything mess!

I'm in the process of soaking it in a Condenser Coil cleaner (safe for aluminum) that has Sodium Hydroxide in it (Lye "This is ... a chemical burn." Tyler Durden). After it's done soaking I'm going to blast it with a pressure washer. The EGR I'm going to have to clean by hand because of the plastic parts.

I've packed wheel bearings, I've changed seals on leaking transmissions and transfer cases, etc etc. This is by far the nastiest crap I have ever dealt with. I'm definitely going to take some preventative measures to make sure I don't ever have to do it again.
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Postby Rennwagen1 on Aug Tue 19, 2008 4:39 pm

That's gross, no two ways about it!
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Postby kompressorgolf on Aug Tue 19, 2008 6:01 pm

buy a tub of laquer thinner or mineral spirits and let it soak for a couple days if permissable, it will be clean as a whistle when it comes out, the vw techs do that at the dealer ive seen it strip that shit clean no scrubbing at all! good luck
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Postby jblltdi on Aug Wed 20, 2008 11:19 pm

nice, i bet my EGR could give yours a run for its money. a great way to fill your weekend.
might be able to help you reprogram the egr to blow that junk out the tailpipe where it belongs and prevent future fun cleanings...
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Postby DynoJetta on Oct Mon 06, 2008 3:08 pm

Here's the real proof of what a clogged intake does to you. Nothing like a 20% increase in power to give you a kick in the pants, huh? :thumbsup:

Image

fixed dead picture link, sorry :(
Last edited by DynoJetta on Oct Thu 30, 2008 3:31 pm, edited 1 time in total.
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Postby ValveFloat on Oct Mon 06, 2008 4:03 pm

Nice!

Where your peak power is supposed to be it's more like a 165% increase! :eek:
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Postby 73veedubya on Oct Mon 06, 2008 10:38 pm

dude run seafoam in it or can you run it in diesel?
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Postby Idcorrado on Oct Tue 07, 2008 10:49 am

post pics after you clean it!
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