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How to pump out old gas from the tank using the electric fuel pump?

Tiny
VELMAN12
  • MEMBER
  • 2012 HYUNDAI VELOSTER
  • 1.6L
  • 4 CYL
  • 2WD
  • MANUAL
  • 135,000 MILES
I have a keyless push-button remote start configuration and would like to pump out old gas from the tank using the electric fuel pump. How do I electrically do this? Thanks much in advance!
Friday, May 5th, 2023 AT 3:48 PM

5 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,003 POSTS
The easy way would be to pull the fuel pump relay out of the engine room relay box and jumper power from terminal 1 to 2, that will power the pump in the way you want. The attached should get you to them.
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Friday, May 5th, 2023 AT 4:45 PM
Tiny
VELMAN12
  • MEMBER
  • 4 POSTS
Thank you for your prompt and very informative reply, Steve! I will try this method and advise you once I have completed it. Best regards, Reg
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Friday, May 5th, 2023 AT 6:49 PM
Tiny
VELMAN12
  • MEMBER
  • 4 POSTS
Hi Steve! Your procedure worked to the letter! I was able to drain my gas tank in a short period of time with the electric fuel pump. Thank you!
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Saturday, May 6th, 2023 AT 4:53 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,003 POSTS
You are welcome. It's a process that gets used a lot, much easier to drop an empty tank over one with 100 pounds of flammable liquid in it.
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Saturday, May 6th, 2023 AT 6:00 PM
Tiny
VELMAN12
  • MEMBER
  • 4 POSTS
Couldn't agree more, Steve! Have a great day! Best regards, Reg
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Sunday, May 7th, 2023 AT 3:28 AM

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