Originally Posted By: st9
I changed the pcv valve a couple months ago, it has 180,000 miles on it, I'm just trying to make it last as long as possible, would a 10w-40 be too heavy?
Was it using the same amount of oil before the PCV valve change? Is the PCV hose blocked up? Did you use aN OEM replacement, or an after market like a Fram PCV Valve? After market PCV valves can cause problems. HTH