Question about 2010 Toyota Yaris

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How do I fix fuel gauge to read properly?

The fuel gauge stops at 2 bars even when fuel continues to be used. It works fine when filling up. I'm going to try and replace the fuel gauge sender assembly and see if that works unless you have another suggestion.

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  • Expert
  • 290 Answers

The sending unit is the usual suspect.

Posted on Nov 18, 2014

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5 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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MomsyKat
  • 52 Answers

SOURCE: TOYOTA fuel and temperature gauge

Some cars have a second fuse box under the hood near the battery. See if your car doesn't have one of those.

Posted on Aug 28, 2008

mecanica03
  • 902 Answers

SOURCE: oil level gauge not working. replaced sender unit.

check if sender fit your car, if good, maybe the problem is oil pump , dirty oil filter, poor quality engine oil

Posted on Sep 11, 2009

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SOURCE: Gas pump shuts off when filling tank, except at a trickle

overflow pipe most likely obstructed.

Posted on Sep 21, 2009

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SOURCE: Car won't start.

Check the spark .

Posted on Jul 20, 2010

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1 Answer

I ran out of gas in my 08 yaris and still had 3 bars. I put in 4 gallons and I'm still at 3 bars. What happened that the bars aren't moving up with the extra gas?


This problem usually occurs due three reasons:
1. If the odometer is reversed. (In this case the speed is not read. if meter reads speed ignore this reason).
2. The pointer in the sender fuel gauge is carbon fouled. (Remove the fuel gauge from the fuel tank and just clean the pointer. The fuel gauge is located under the rear passenger seat).
3. The fuel gauge in the fuel tank is defective.(Replace with a good known one even purchased from the junk).
Hope that works.Thank you for visiting Fixya.

Oct 12, 2014 | 2008 Toyota Yaris

1 Answer

1987 Nissan Maximum gas hand doesn't work & transmission is reading full but it leaks sometimes


There are three fixes possible for the gas gauge....but I would have this troubleshot by a garage:

1. The gas gauge itself does not work anymore. It could have just finally "died". Problem is, you cannot replace just the gauge. It has to be the whole instrument cluster. Having a garage shoot power TO the gauge and then shot the gauge itself will let you know if the gauge assembly is bad.

2. The fuel sending unit is bad. This means the wiring to the gas tank fuel pump/sending unit is bad and does not work. The signal is not being sent to the fuel/gas gauge. This means the fuel pump assembly needs replacing.

3. There is a wire problem somewhere between the gas tank and the dash to the fuel gauge.

The transmission leaking but still reading full just means that there is plenty of transmission fluid in the transmission. The drips or spots you are finding are not enough to "read" low enough. Unless you have a HUGE spot of tranny fluid left on the ground, I would just think about a transmission fluid filter change. This way, a new pan gasket will be installed and fresh fluid filled to the proper level will be accomplished on your car.

Sep 02, 2014 | Cars & Trucks

1 Answer

Fuel gauge is not reading properly 2006 Mercury Mountaineer


Fuel gauges are not meant to be precision instruments. You might want to fill up a 2 gallon can and drive the car until it runs out of fuel to see how low the gauge will go before it's really empty. Use the 2 gallons to get back to a filling station.
I once spent three working days trying to get a 1972 Chrysler to read full when it's full, half when it's half and quarter tank when the tank has a quarter amount of fuel. The customer did not want to accept anything else, but in the end all I did was to get close, not exact.
It is possible that the fuel float in the gas tank is "drowned", that is, the plastic float might have a slow leak and some fuel found its way inside. This will cause the float to submerge slightly and give you a low reading. To check this you will have to remove the float unit from the tank.
In any case, if you feel up the job (not easy) remove the float unit from the tank and manually move it up and down while checking the meter reading. You can bend the wire holding the float to correct misreadings.
Personally, I wouldn't bother, just be aware that when the reading is low, feel safe that you still have enough fuel to get to the next filling station.

Apr 04, 2014 | 2006 Mercury Mountaineer

2 Answers

I own a 2002 Chevy Cavalier with 131,800 miles on it. I had the fuel pump replaced 2 weeks ago and ever since then, I have noticed that the car seems to be burning almost twice as much fuel. I refilled the...


There most likely isn't a problem. The fuel gauge works off of a reisistor board that's mounted on the fuel pump assembly. There is a arm with a float attached to one end. On the other end there are needles that touch the resistor board. The float level changes where the needles touch the risistor board and that changes your fuel gauge. Not all resistor boards read exactly the same, especially if an AC Delco pump wasn't used. The gauge is just reading off a little bit compared to your original one. Try filling up, resetting your trip meter and then driving a good bit. When you fill up the next time figure your gas mileage by dividing the miles you went by how many gallons you used. I bet your still getting around the same gas mileage.

Dec 04, 2013 | Cars & Trucks

1 Answer

Fuel gauge doesn't work


mine did the same thing 2 years ago. i assume it is probably the fuel gauge sending unit in the fuel tank so i priced a new one. as i remember it was about 350.00 for just the part. my computer reads in gallons and is still accurate as to telling me how much fuel i have used so when i use 10 to 12 gallons out of the tank i fill it again. so far i have had no problem doing it like that. just don't run out of fuel because that is really bad for fuel pumps. mine has a 14 gallon tank so i make sure that i never go below 12 gallons used. i usually try to fill at 10 gallons used

Jan 20, 2013 | 2004 Mitsubishi Diamante

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I have a hundai acent 2003 and a few months ago when i would fill up the tank of gas i had to do it very slow it would stop filling as if it was full when indeed it was not. Today i went to fill up and it...


a bad fuel level in the tank should not cause the tank not to fill up,but it can cause bad readings to the gauge. so the tank may have had more fuel in it than you thought and that is why it wouldn' t take the gas as it should. then when you filled up the next time the fuel level was correct so it filled up like you knew it was suppose to.I suggest you monitor the fuel with your trip odometer and fiil up every 200 miles to make sure the gauge is reading like it should or you may run out of gas.

Aug 07, 2011 | Hyundai Accent Cars & Trucks

1 Answer

Why does my gas gauge show 2 bars on top and 2 on the bottom.on message center fuel remain and fuel economy goes to CO.


It means circuit open this usaully happens when u put too much gas in ur lincoln u probly filled it up pass then sensor that reads it @least that's what the lincoln mechanic told me I have the same problem jus continue to drive it and burn the gas

Jun 19, 2011 | 1993 Lincoln Town Car

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Fuel gauge stops working at half empty and will not let you fill up gas tank at full outlet speed from gas pump


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May 05, 2010 | 2006 Chrysler Pacifica

1 Answer

2006 GMC Envoy XL gas gauge reads empty after filling continues reads empty and the light is on then the check engine light came on what can be the problem how ca i fixe it to save mesome $$$


It is most likely your fuel level sending unit has gone bad. It sits inside your fuel tank to tell the fuel guage how much gas you have in the tank.

The sending unit for the gas gauge is in the fuel tank and part of the fuel pump module, it is not sold seperately. Price is around $350.00, 2 hours labor to install the part.


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1999 GMC Van Intermittent problem where van will not start, fuel gauge reads empty even with full tank. Heals itself once its warm outside (especially inside cabin. I know its fixed because the fuel...


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