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No. It would cause the coolant and oil to mix and it would look like a Milkshake drain oild and check it.
No, only a blown head gasket or cracked head will cause coolant to mix with the oil. A leaking valve cover gasket will only cause oil to leak onto the engine block externally.
Check: 1.- PCV vacum hoses 2.- Engine oil cap looseness. 3.- rocker cover gasket
you have a blown head gasket water is getting in to the engine oil
Hmm... it could be several factors. Is the Check engine light on? If so, see if it points to your fast idle control valve or air intake valve. Either one may be the cause of the high idle, especially if the idle is rough. The leak in the valve cover gasket could be as simple as replacing the cover gasket, unfortunately, it is difficult to assess the machine over the internet.
If the leak is bad enough i believe it can but i would check your valve cover gasket first.
You have to check the valve cover gasket from all sides. If it's not the gasket then you should check the break fluid level, and the break tubes around the passenger tire.
Check the valve cover gasket, if not that you may have a warped head.
Bad engine seal? Bad oil filter? Leaking valve cover gasket?
If the light is on, it will need checked and diagnosed.
Changing a valve cover gasket really has nothing to do with an engine starting or not. You need to check your power and gas for problems in starting.
The head gasket seals the head to the engine block. Coolant and oil flow through the head. The gasket prevents then from mixing together. The valve cover gasket only prevents oil from splashing onto the engine and exposing the valve train and moving parts to the outside of the engine. No coolant makes contact with the valve cover gasket.