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Starts out of water but not in it! 2000 millenium GTX DI

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gramps

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Pulling my hair out and any help appreciated. Take out my machine and it will fire up when first put in the water. I dock it and go park my van and then will not restart. Does this over and over. Tried with brand new battery and still does this. any help greatly appreciated.
 
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Check your:

1) Compression
2) Air pressure
3) fuel pressure

Get those numbers, and let us know.

Will get those and post back. I should have mentioned as well that it seems to be killing/draining batteries. Had tried another battery that had good reading upon putting it in but afterwards it was pretty much drained.
 
Well... that's HUGE. If you have a bad regulator... it will do all kinds of crazy stuff with a Di engine. Bad power into the computer... and it can cause issues.
 
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