Question about 2009 Chevrolet Chevrolet Impala LT

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2009 impala lt wont start

Took fuel tank to clean because it had sugar it was running before took the fuel tank out an fuel pump now wont start

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You will need to purge and rinse the entire fuel system. If you're lucky, tainted fuel didn't make it to your injectors and into the engine. If the sugar had a chance to burn in the engine, you will have massive carbon buildup inside the engine, requiring major cleaning/repair. Unless you want to do lots of mechanic and/or trial and error work with your car, tow it to a shop and tell them what happened. It will most likely cost less in the end.

Posted on Mar 31, 2014

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Posted on Jan 02, 2017

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First off it is a myth that sugar will destroy an engine. Sugar will not dissolve in gasoline. Depending on how much sugar was added it could clog the fuel pump sock filter. You have drained the tank, so add 5 gallons of fuel to the tank and start the engine. It will do no harm whatsoever. You may have to change the fuel filter a few times if the sugar clogs it but otherwise no harm will be done.

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The only thing i can tell you is to get all the gas you can out of the tank, even if it means droping the tank. Then blow out the fuel line, install new filter, fill up with new gas with a fuel additive that cleans injectors and run it. I believe the worst that can happen is clog up the injectors, witch may not happen if you just run it. Depending on how much sugar was put in it.

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Hi, Yes that is exactly what you should do. But I gotta ask, what kind of place would replace the fuel pump, give you the sugar story and not tell you that it needed to be cleaned up or more damage may result? At the very least they should have told you that is what needed to be done when they discovered that sugar was the problem. I would TOW It. Don't run the engine anymore if it still has the fuel with the sugar. Take it someplace else and have them do the work and check that the new fuel pump was OK. Sorry for the news and Best of Luck to you!

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