Start by locating the EGR valve on the Passat. The owners manual that comes with the car should have a diagram showing exactly where You can find it. Then, unscrew all the bolts holding the EGR valve and place it on a soft, clean piece of cloth. Now You can begin spraying the EGR valve. Use an effective cleaning solution and spray the EGR valve completely. When doing so, rotate the valve to avoid any fluids dripping into the solenoid valve. If, after doing this, You still experience stalling and idling on Your vehicle,odds are Youll need to swap out Your EGR valve for a new one.
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