Question about 1994 Lexus LS 400

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Gas needle does not go to full when you fill up

The gages on the dash no longer illuminate and my gas hand does not go past the half way mark when full. Is it something that can be fixed myself, or is it a Lexus dealership issue? when you fill up the needle will not go to full.

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You must open the fuel tank and pullout the sensor which is mostly a float with a variable resistance and recalibrate it . so i think you shoul see a mechanic

Posted on May 31, 2009

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Posted on Jan 02, 2017

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I have a 1999 Mitsubishi montero and i bought it used the gas gage will not go to full when i fill it up and when it dose move it only gose to quarter tank mark and rarely. Gose to half tank mark


Sounds like a bad float or weak gauge.you can always use the miles trip to predict how much fuel you have left in cases like these the trip can be your best friend.have someone experienced change the float in the tank then if not float change gauge but like i said someone that knows what they are doing if not they can mess the entire dash up and short alot more than you would think out so try float or gauge if it has over 150k miles its probably the float.

Apr 26, 2017 | Mitsubishi Cars & Trucks

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2008 jaguar s series gas gage quit working


probably not all that difficult to fix it you have patience. The needle going way past full is an indication of a short before the sender unit or in the sender unit. Pull the power wire from the sender unit and see what the gauge does. IT should stay on the empty mark. IT may be just a fuel sender unit .

Dec 23, 2013 | 2008 Jaguar S Type

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Gas guage moves back and forth from emty to full with gas in it


it sounds like the level sensor on the sender (fuel pick up pipe in the fuel tank) is getting stuck. the level sensor is a float that is attached to the sender, and you will need to remove the fuel tank to get to it.

hope this helps.

Mar 18, 2009 | 2000 Chevrolet Blazer

1 Answer

1992


If you remove the sending unit in the gas tank, move it manually by hand as u saw done earlier, the gauge on the dash should also move. As long as the sending unit in the tank isn't 'stuck' at the half full level, the gauge should register empty to full as it moves. To be honest, I'm not sure if I would bother taking the sending unit out. 1st, u must be very careful not to blow yourself up when working on the gas tank (no sparks, etc), all u really need to do is fill up your car, see how many miles a tank of gas will go (carry a can of gas with u to see how many miles before u run out). If it's 350 miles, just set the trip gauge to zero every time u fill up, and get gas every 300 miles so u don't run out. If the sending unit moves freely, everything (wiring ) is connected properly, then it probably is the fuel gauge. good luck!

Oct 18, 2008 | 1992 Honda Accord

1 Answer

Fuel level sensor in tank bad????


Yes it is all one unit, and yes that is what the problem is. don't use aftermarket parts, use OEM, (Delco Remy) they are much better quality.

Sep 08, 2008 | 2000 Chevrolet Blazer

1 Answer

Fuel gage wont read past 1/2 mark when using fuel


it is the pontimeter in the fuel sender you can buy it seperate from the whole assembly and they had alot of problems with them please rate -jeff

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2 Answers

Dash Gage Illumination


i can usually fix these for very cheap $...call 508 822 4490

Jul 18, 2008 | 1994 Lexus LS 400

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