My son poured bout a 1/2 a gallon of water in my 06 duramax. What can i do to treat it out? Theres bout a half a tank of fuel in the truck also. Can i treat it out or?

Asked by Aug 03, 2014 at 11:45 PM about the Chevrolet C/K 2500

Question type: Maintenance & Repair

8 Answers


Don't go cheap. It wil cost you more in the long run. And what ever you do DO NOT START IT!!!!! The water is at the bottom of the fuel tank right now. You will have to get it out some how. I wounder if you can somehow tap into the fuel filter or fuel/water separator. Someone who has one of those will chime in and give you more information. But for now. Do not start it. Good luck.

1 out of 1 people think this is helpful.

drain the tank- is there a drain plug? if not, siphon it, leave the cap off, let it evaporate or just take the tank out and clean it-


you could simply use the fuel pump to suck it out just disconnect the fuel line and turn the key up and down. the prime should drain it out but it will probably take a while this way. you could also stick a hose down in the tank threw the filler area if there is no screen you can use a gas can pumper to pump it out

1 out of 1 people think this is helpful.
Best Answer

So what did you finely end up doing?

Nothing yet, still havent made it home to try. Will keep yall posted. Like the using the pump and disconnectin from the filter and turnin on key


Just don't let the water get into the injection system.


Use Lucas deep clean when you fill it back up.

After disconnecting the fuel line &turning switch to pump out, pour in Seafoam.

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