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Author Topic: EGR Valve maintenance  (Read 1192 times)

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DaviesEB

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EGR Valve maintenance
« on: 11 May 2009, 10:27:24 »

My exhaust system had a problem, clogged. I was told to change the or take off the catalytic converter. I did but vehicle does not run smooth a little jerks.

Should i service EGR, where is the EGR located.

I am the only one using a Miggy here in this country. The mechs do not have much knowledge of the vehicle. Guess i know much thanks to the forum.
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TheBoy

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Re: EGR Valve maintenance
« Reply #1 on: 11 May 2009, 11:54:07 »

EGR is cylindrical item, normally showing signs of rust, on the left side of plenum.

Cleaning out with paint stripper seems to be best method (or blocking completely, but this will increase NOX)
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tunnie

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Re: EGR Valve maintenance
« Reply #2 on: 11 May 2009, 11:56:31 »

once filled with paint stripper, poor it out after an hour or so, and use carb cleaner + old tooth brush, that really cleaned my EGR out.

Still faulty though  ;D

Going to give it 1 week, if it comes back, its being replaced  :y
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mark.adams

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Re: EGR Valve maintenance
« Reply #3 on: 11 May 2009, 12:04:48 »

Same here Tunnie, mine is now showing feedback voltage low.
I'm going to try a 2nd hand one to eliminate it
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tunnie

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Re: EGR Valve maintenance
« Reply #4 on: 11 May 2009, 12:09:06 »

Quote
Same here Tunnie, mine is now showing feedback voltage low.
I'm going to try a 2nd hand one to eliminate it

Same here (low voltage) does not affect running though
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mark.adams

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Re: EGR Valve maintenance
« Reply #5 on: 11 May 2009, 12:15:04 »

True although i very occasionally get the emissions light on.
I can't clear the error either, it comes straight back every time.
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DaviesEB

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Re: EGR Valve maintenance
« Reply #6 on: 11 May 2009, 14:53:10 »

What do you mean by Nox?
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TheBoy

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Re: EGR Valve maintenance
« Reply #7 on: 11 May 2009, 15:23:22 »

Quote
What do you mean by Nox?
NOX - Nitrous Oxide, out of the exhaust...
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DaviesEB

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Re: EGR Valve maintenance
« Reply #8 on: 11 May 2009, 15:45:26 »

Thanks i never thought it was chemistry. So do i dismantle the EGR to clear it.

I will eventually go to Ghana and purchase a new line exhaust with the converters.
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tunnie

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Re: EGR Valve maintenance
« Reply #9 on: 11 May 2009, 15:46:46 »

Quote
Thanks i never thought it was chemistry. So do i dismantle the EGR to clear it.

I will eventually go to Ghana and purchase a new line exhaust with the converters.

Just remove the two torx bolts that hold the EGR to the bracket, once removed (keep the metal gasket) there is what looks like an exhaust hole (its all sooty)

Just fill it with paint stripper
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DaviesEB

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Re: EGR Valve maintenance
« Reply #10 on: 11 May 2009, 15:53:47 »

Will that be all, or there is addition service to do. Highly grateful
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