to much vacume in engine oil fill tube on 1992 Dodge Ram Van B250

I get a lot of vacume through the engine oil fill tube. If I push the cap back on it makes the engine pulsate . I checked the pvc,,air cleaner,,and vacume lines..It just seams to have to vacume ..

by in Norfolk, VA on April 04, 2011
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
ANSWER by , April 04, 2011
I think your PCV is stuck open causing the crankcase to be subject to intake vacuum. Recheck it. If it's OK, then maybe the intake manifold gasket's failed, allowing the crankcase to be exposed to intake vacuum. If you want to find a specialist, here's a directory link for you: https://repairpal.com/directory?address=23502&car_brand_names=Dodge