How To Test and Replace the PCV Valve on Your Car. Story by Family Handyman • 9mo. Y ou take your car in for an oil change. The work is almost done when the technician comes out to talk to you.

How Do You Test a PCV Valve? Although many PCV valves cost less than $15 and thus might be worth replacing as a preventative measure, it’s usually fairly simple to check yours to see if it’s ...

If you’re replacing a faulty PCV valve in the 4.6-liter V8, you’ll find it in one of the valve covers, next to the oil filler cap. You can replace this part yourself even if you know little ...