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Fuel sending unit

Tiny
LESQUENAZI
  • MEMBER
  • 2013 KIA SPORTAGE
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Just replaced sending unit due to faulty reading. Now with new sending unit getting a full tank reading even though fuel level is going down. How do I fix this?
Tuesday, November 26th, 2019 AT 7:56 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
Hi,

Attached to the pump and sending unit is the level sensor. It is nothing more than a rheostat which changes resistance and power supply based on fuel level. I suspect that the float that is attached to the rheostat (level sensor) is stuck in the full position. It can happen when you reinstalled the sending unit without you knowing.

I hate to say this, but I would remove the pump assembly again and inspect to make sure nothing was bent or stuck.

Take a look at the attached picture. I circled the float and the sensor. That is what I would check first.

Let me know if this helps or if you have other questions.

Take care,
Joe
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Tuesday, November 26th, 2019 AT 8:16 PM
Tiny
LESQUENAZI
  • MEMBER
  • 25 POSTS
Yeah it was binding. Fixed, thanks.
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Monday, March 22nd, 2021 AT 9:16 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
Hi,

Glad to hear you got it fixed. Please feel free to come back anytime in the future if you need anything.

Take care,
Joe
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Monday, March 22nd, 2021 AT 6:34 PM

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