Push grassland mower dies...? I have a push lawn mower to be precise about a month...

I have a push lawn mower to be precise about a month old and have been used twice, and it has worked fine until today. When I start it up it runs for a few second and then dies. It has plenty of gas and the filter is verbs. I did notice that when I first started it today that it let out for a while bit of white smoke. The oil is just below the imbue line. Could the oil be the principle it dies after start up?
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Answers:    sinse your mower is only 2 months old don't touch it , I could share you many possibilities of what it might be but you could void your warrant etc. stir back to where you bought it they will instruct you as to where on earth to go etc.
What would inflict cold hose pressure for washer...
Sounds like a fuel problem. Not adjectives engines have diaphram carburetors but a lot of the smaller Briggs engines do. The diaphram is the inflict of a lot of poor running issues. Have you checked the fuel that you put into the mower? Water in the gas will wreak what you describe. Water looks like "blobs" in the bottom of the fuel container. Also make sure that the fuel tank lid is vent. If it is not the fuel won't flow freely. If the carburetor is fastened directly on top of the fuel tank it will enjoy a diaphram. The new diaphram and gasket costs about $5.00 and is jammy to install. Just watch how the rods and springs are attached to the carb so you get them final on right. A picture helps.
We own lately suffered through the let-down and...
its not the oil,, its more predictable the carb!! even new ones can have a unpromising diaphram,,, thats what pumps the gas!! if it starts and dies after a few seconds,, its usually that!!