Does a creamy substance on the oil cap indicate head gasket problems?

Does a creamy substance on the oil cap indicate head gasket problems?

Asked on 21 April 2017 by Jimmy smith

Answered by Honest John
If the car does a lot of short runs from cold then its caused by condensation moisture emulsifying with the engine oil. If it does a lot of long runs then it's more likely to be head gasket.
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