BlackNGold
CaliforniaFords.com Moderator
Member # 655
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posted
Using a vacuum pump and gauge apply 5-10in of vacuum to the EGR valve nipple...
If the idle speed drops more than 100 rpm with the vacuum applied and returns to noraml after the vacuum is removed, the EGR valve is ok...
If the idle speed doesn't drop more than 100rpm with the vacuum applied, then inspect the EGR to see if it's blocked...If you can't clean and unblock it buy a new one...
-------------------- -SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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