Question about 2001 Jaguar XJ8

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I filled the tank and my fuel gauge is reading empty or just below half

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  • Seeker451 Oct 13, 2008

    After filling the tank on my 1998 XJ8L the fuel guage never reads above 3/4 full.

  • Anonymous Mar 15, 2014

    Gauge reads full when tank is empty

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I had this on a couple of jag. My Mechanic replaced the fuel censer in the fuel tank.

Posted on Dec 03, 2008

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1 Answer

Fuel gauge reads empty


most fuel gauges will tell you you are empty when the is only 25 to 50 miles of fuel left. if it stops after filling with gas then you are ok, just don't let it go below a 1/4 tank. If it always reads empty the the problem is probably the float in the tank needs to be replaced. You will need to have a mechanic replace it. check several places for costs.

Jun 29, 2015 | Cars & Trucks

1 Answer

How to adjust gas gauge to read right not reading way over filled like it does now. When 1997 chev 350 vortec truck gauge is at 1 st red mark close to empty, better not past gas station ! ! !


the fuel level sender is inside the fuel tank, part of the fuel pump assembly. did you or was the tank replaced before??they may have bent the float arm on reassembly . you can buy the sender from your parts supply store .you will have to drop the tank to do this it clips onto the side of the pump assembly. run it almost dry first as the tank is big n very heavy even 1/4 full. you can try to bend the old arm

but its very hard on the "sender" as for level indicator full to empty, think of the shape of the tank narrow at top to widest point in the middle (full to half) wide middle to narrow bottom( half to empty)

its just an overall volume thing

Mar 07, 2015 | 1997 Chevrolet C1500

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

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

1 Answer

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

1 Answer

'05 ford escape - car won't start if fuel below 1/4 tank


Not sure about P0195, but P093 is for a problem with the fuel rail pressure sensor. The sensor could be faulty or it could be accurate when the fuel system is empty.
Your sending unit for the fuel gauge could be off. Can you check the amount of fuel it takes to fill the tank when the gauge reads half ? If the gauge is right it should take half of the capacity of the tank to fill it up.

Dec 06, 2012 | 2005 Ford Escape

1 Answer

2007 Subaru WRX Fuel gauge does not work porperly. When the tank is topped off, the fuel gauge reads full, but after much driving the gauge only drops to 3/4 a tank and slowly to half of a tank on the...


hi it can really only be two things, first is the fuel sender on the pump inside the tank it could be stuffed or sticking causing a false reading, second it can also be a faulty fuel gauge on the dash.

Apr 15, 2011 | 2007 Subaru Impreza WRX Sport Wagon

1 Answer

My fuel gauge reads below the empty mark. and the tank is full. It read full the day I filled it up, but yesterday I went to start it up and it was way below the empty mark. horizontal


check for fuses, fuel sender its a common problem in GM,cars,it cost like $45 from dealers ok,of course tank need to be removed,ok,GL

Nov 25, 2009 | 2001 Buick Park Avenue

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

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