car is not starting sometimes

Asked by Apr 06, 2014 at 11:07 PM about the 2008 Buick Lucerne CXS FWD

Question type: Maintenance & Repair

The first time car wouldn't start, I replaced the fuel pump. It did it again a day later,I  then put HEET in gas tank and it started up. No more problems until about a month later. It wouldn't start so put Lucas in, it started. Went back an hour or two later and will not start. What could possibly be the problem?

1 Answer

113,935

This garbage they call fuel today will pull moisture right out of the air, what you are describing is a lot of water in your fuel tank, if you can try to take a sample of fuel right out of the fuel filter and let it stand for a while, you should be able to see the fuel and water separate in the bottle, unfortunately if you have a lot of water in the tank you need to get it all out, and that requires dropping the fuel tank. After that is done put in a bottle of Techron with a fill up and then put in a bottle every other tank, that should keep the water at a minimum, and watch out for cut rate fuels as they contain more water than a good grade. HTH

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