Having problems with your 1998 Mercury Mountaineer ?
Location of pcv valve on 1998 mercury mountaneer
The PCV valve is is typically located in the valve cover near the brake booster-4.0L pushrod V6. On a 5.0L V8 engines, the PCV valve is located at the back of the intake manifold.
Repair Help & Product Troubleshooting for 1998 Mercury Mountaineer
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