Lawn Mower Not Running After Adding Oil to Gas Tank?

February 7, 2017

I accentently poured fuel oil into the gas tank thinking it was gas, I used the mower for about 15 minutes after that and now it won't start. What can I do?



February 9, 20170 found this helpful
Best Answer

  1. Drain gas tank.
  2. Drain the fuel line.
  3. Put a new fuel filter on.
  4. Spray carb cleaner into the carburetor.
  5. Clean the spark plug.
  6. If that doesn't work put a new carburetor on.

You could ultimately have damaged the engine. Good luck and hope it works.

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Gold Post Medal for All Time! 677 Posts
February 7, 20170 found this helpful

Drain the oil out of the tank and replace it with gas. Then try to run it.

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February 8, 20170 found this helpful

Clean or change your spark plug first start use starting fluid it will be a hard start but it will start

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Silver Post Medal for All Time! 255 Posts
February 8, 20170 found this helpful

You are going to have to drain your tank, replace your fuel filter and clean out the carburetor and fuel lines.

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Gold Feedback Medal for All Time! 949 Feedbacks
February 10, 20170 found this helpful

You may have to replace your fuel line, fuel filter and spark plug after you clean out and replace the gas in your tank as my son says it is very difficult to remove all of the oil from any of those items.


Here is a site that might help you with working this out:

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