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| EGR position when engine is shut off. http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=43210 |
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| Author: | jiungyee [ Fri May 15, 2009 11:09 pm ] |
| Post subject: | EGR position when engine is shut off. |
I installed Samco hoses today, took me 30 minutes for both and it is working like a champ. Question: I can feel a "flat" flap (not about to move it) inside the intake when the CVC from Inter-cooler to intake is removed. Is this the infamous EGR valve? If it is, is it normal for it laying "flat" when the ebginer is off? I had the CEL due to EGR problem about two monthes ago. I did ORM fro about two weeks, liked it. I then installed SEGR + Inmotion remapping about a month ago. |
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| Author: | ATXKJ [ Sat May 16, 2009 12:41 am ] |
| Post subject: | |
I have not felt around the intake - so I'm not certain but I'd guess this is the Flow Control Valve i.e. in order to allow low pressure exhaust gases to flow into a higher pressure intake - the EGR system chokes down the intake air flow - which artificially creates a low pressure and pulls the exhaust gases into the intake. The SEGR - will almost turn this off - it keeps it closed except during engine shutdown - where choking the intake will allow a smooth turn off and prevent an engine runaway (rare but real possibility on VW TDI's) |
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