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EGR Test - 200 1989

posted by  niluca on  Mon Jul 30 08:43 CST 2012
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last visit: Fri Feb 21 11:15 CST 2014
[RELATED]

Hello and thank you for putting your experience on this.

I've pulled my EGR valve and am trying to determine if I need to replace it.
I can suck air through the small nipple with no problem.
If I depress the piston (using a screwdriver up the threaded pipe) and suck through the nipple - there is no change.

I'm assuming this Fails the EGR.
Is this a sufficient test?


I failed CA smog for extremely high NOX and extremely low CO

Thanks!
Nick






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