Quote:
Originally Posted by DWBOX2000
So the rough running when oil cap off means nothing?
Thanks for responding.
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No, that is normal, you are actually creating a vacuum leak by removing the cap
and engine will run rough.
It happens the same when:
running without oil cap (or non sealing one)
broken/cracked oil fill tube
broken dipstick tube
broken/cracked aos tubes
etc. etc.