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

 

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smike, 5.2L V8, Norfolk, VA, April 04, 2011, 06:38
 Rookie

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 ..

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  • Answer #1

    Superbob April 04, 2011, 15:36
     Master

    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_bra...

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