Failed Fuel Sending Unit R&R - Mazda CX3 Forum
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post #1 of 3 Old 10-23-2018, 12:10 AM Thread Starter
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Failed Fuel Sending Unit R&R

Faulty CX-3 Fuel Sending Unit -- unit location?

My daughter has a 2016 CX-3 GT with 30k on it and zero problems. She recently ran over a cinder block which was in the road and now the fuel gauge no longer works correctly (stuck at half-tank). My guess is the Fuel Gauge Sending Unit got damaged somehow.

She took her car to the dealership who said she needs an entire new gas tank. She called insurance and they’re giving her the run-around.

Quick questions:
  1. Where is the fuel sending unit exactly located and accessed (externally or under back seats)?
  2. Do you need to replace the entire gas tank in order to get this working correctly?
  3. Does the fuel pump need to also be replaced?
  4. Does anyone have any photos or experience with this they can share?

I would appreciate any and all help as the dealership is quoting $2,000 and over a week to fix it. Insurance won't even tell her how much they'll pay until the service is completed (which makes zero sense).


Thanks!

Scrumpto
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post #2 of 3 Old 10-23-2018, 04:50 PM
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This might be of help. It lists all the components of the fuel system

https://www.mazdanyparts.com/auto-pa...omponents-scat

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post #3 of 3 Old 10-23-2018, 11:16 PM Thread Starter
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Quote:
Originally Posted by st3v3cx-3 View Post
This might be of help. It lists all the components of the fuel system

https://www.mazdanyparts.com/auto-pa...omponents-scat
Thank you st3v3cx-3, that's a HUGE help!

Quote:
Does anyone know how to pop up the back seat -- are there bolts involved or do you just pry it loose?
Nevermind, I found this (which I'll test tonight):
https://youtu.be/oIUb985sD7Q

Last edited by scrumpto; 10-23-2018 at 11:25 PM.
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fuel pump , fuel sending unit , fuel tank , gas tank

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