Fuel gauge problem

The fuel gauge on my 2006 tacoma trd sport 4x4 crew cab is reading that it has fuel but i ended up running out of gas. It was reading just above half when suddenly i ran out of gas. I am now driving while monitoring my mileage and it seems that the gauge stops moving at around the half mark. I was wondering if anyone knows if it's the gauge or the sensor in the gas tank that may be the problem. And any idea how much it would cost to fix. Thank you in advance.

 

Mine did the same thing, replaced the fuel pump with the sensor attached and it still does it. so I'm thinking its in the dash.

So I just reset the trip meter when I fill up, if you drive sensible 300m is about 17gal out of the 20 or 21 available.

 

I also use the 300 mile rule! Haha! Thanks for the reply and info on the fuel pump.

 

Somewhere on here we have a post with how to check sending unit.
I'd do the write up again, but let me look and see if I can find the old post first.
Writing it up take time.

Before we do anything, do you own a voltage meter and know how to do basic checks?
Ohm.....you need to know how to read ohms.

 

Here goes you......
https://www.tacomaworld.com/threads/fuel-sender-issue.822887/#post-29511516

 

I don't know how toyota's are wired up but usually what I do to check is unplug the fuel pump/ sender and watch the fuel gauge. It'll probably read empty. Then short circuit the fuel sender(preferably through a test light) and it watch the gauge. It'll probably read full. You may have to monitor it through a scan tool as some vehicles will default to reading empty when the fuel pump connector is unplugged but if the gauge responds, whether by scantool or on the dash. it's most likely the fuel level sender.

If you really want to be proper then you can either remove the sender and cycle it in your hand and watch the level change via scan tool or dash or remove it and with multimeter probes on the level sender, cycle it and look for a predictable and smooth resistance change through the range.