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FUEL TANK IS HALF FULL BUT READ OUT SHOWING TANK EMPTY?

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Your fuel sending unit is bad or your fuel gauge more then likley it is the sening unit inside the fuel tank

Posted on Aug 02, 2008

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Posted on Jan 02, 2017

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2 Answers

Town and Country Van running out of gas and guage says half a tank what could be the problem?


If your fuel gauge is showing you in accurate readings this is normal to all vehicles that are not used to fill-up gas full regularly but sometimes the cause of the inacuracy is due to faulty float valve in the gas tank you need to replace it

May 09, 2014 | 2005 Chrysler Town & Country

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Dash gas gauge stops showing proper gas level once it hits half a tank. Then gauge will fluctuate between empty (light will come on), full and anywhere in between but seems fine from full tank to half


If the trouble with the gauge started after you worked on it then you likely damaged or created a restriction to the movement of the sending unit. You will have to remove the tank and double-check your work.

Mar 01, 2013 | 2000 Buick LeSabre

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Fuel gage showing half a tank but trip computer only registering 60 miles left


Its very simple. If the gauge is showing half full then fill the tank and see how much fuel it takes. If the amount you add is approximately 50 percent of the fuel tank capacity then you know the fuel gauge is accurate . In that case the computer is giving an inaccurate reading and should be ignored. All you need is an accurate fuel gauge - it does not matter a row of beans what the computer says if the fuel gauge is reading correctly.

Dec 22, 2012 | Saab Cars & Trucks

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Engine acceleration problem when fuel tank is half full


You need a new fuel pump. Get the pressure on it checked,. I bet it is borderline. With the tank full there is a little extra weight pressure, when half full that advantage is lost.

Nov 20, 2017 | 2007 Chevrolet Optra 1.6

2 Answers

We just got a 1988 Porsche and filled with 1/2 tank, there was what seemed like overflow happening - Any idea what may be the problem.


fuel tank vent could be blocked by mud/pebbles etc, not letting the gas fumes escape while your adding fuel making it overflow, check underneath the car near the fuel tank .. something to start with..

Oct 10, 2009 | 1991 Porsche 944

1 Answer

FUEL TANK IS HALF FULL BUT READ OUT SHOWING TANK EMPTY? fuel gauge shows half tank one minute than bam down to almost empty, then back to half. Mechanic told me that it's the fuel evaporative control...


their is a plunger in your tank just like the plunger or float in your toilet, if your car wont pass smog then yes check with your mech you might need a new evaporative canister or maybe a line in/out is pluged if your tank still wont register correctly my first comment would be in order to replace

May 31, 2009 | 1985 Volvo DL

1 Answer

Fuel gauge inaccurate


Change the fuel gage sender unit in tank.its faulty.

May 30, 2009 | 2001 Jaguar S-Type

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