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Author Topic: egr valve  (Read 785 times)

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blue_dream

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egr valve
« on: 16 January 2011, 17:56:16 »
Hello
       could someone give me some advice, i.ve noticed alot of soot stains coming out from the egr valve on my 1998 25 v6, the car also seems to run a bit lumpey, what is the cause of this, is their anything i can do, engine oil fine and clean  :-? :-?
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Kneepad

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Re: egr valve
« Reply #1 on: 16 January 2011, 18:21:52 »


Excessive build up of carbon deposits from exhaust gases.
Remove and clean EGR with paint stripper being careful to keep it away from your paintwork.
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blue_dream

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Re: egr valve
« Reply #2 on: 16 January 2011, 18:26:54 »
Hi
   Ok, will do. would this be caused by the car mainly been used for short journeys ie school runs and not reaching full temp.  :y
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Kneepad

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Re: egr valve
« Reply #3 on: 16 January 2011, 18:39:58 »

It's more likely that the valve has just jammed open at some point, due to a carbon build up, thus allowing a constant flow of exhaust gases into the combustion chambers.

Some members have eliminated this problem altogether by blanking off the EGR completely.
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