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Old 10th September 2013, 08:53 AM
3.7 slp 3.7 slp is offline
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Join Date: Mar 2011
Posts: 197
Default Testing PCV valve

Hi all

just needed some help with the old girl.What i'm getting on the 1st start up is the revs fluttering up and down for about 10 secs before it settles down. I have cleaned the TB and also the PCV Valve which was changed at the start of the year.
I have also given the MAF a clean too. The car seems to run fine once on the moving .Is there a easy way to test the PCV Valve, I have blocked the top pipe on the unit and sucked/blowed on the lower one and i can hear the diaphragm open and close. Is this normal as what it mean to do.

many thanks all for the help
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