Question about 2002 Dodge Neon

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The gas gauge starts at half full when turned on then falls to a quarter full over 1 mile then falls slowly down to E by 5 miles regardless of how much is actually in the tank. The mechanic has changed the sensor twice and the instrument panel to no avail.

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You may have a short to ground with the sensor wire, check harness for cuts or kinks.

Posted on Jul 22, 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

1 Answer

Got a full tank, gas gauge reads empty, not getting gas to engine


it's just either the gas gauge is being faulty

Feb 10, 2013 | Cars & Trucks

1 Answer

Fule gauge dose not work right


Does it stick at about half full? I would fill up, the gauge would show full then after 60-70 mile when gauge should show less than half to a 1/4 tank the gauge still showed 1/2 tank so I'd go ahead and fill it up. Finally, I watched my mileage and when my yellow low on gas light came on I filled it half full. After a couple of weeks I filled it up and the gauge has worked every since.

Apr 08, 2011 | 1985 Ford Bronco II

1 Answer

At the start of the engine, the fuel gauge reads empty. i know for sure the gas tank is filled up with a decent amount or its full. after afew miles, the gauge slowly moves to its proper reading. i know...


Most cars and truck nowdays show the tank empty when you start it. Then it slowly advances to the correct level of fuel in the tank. You can try and use some fuel additives like Gumout or Valvoline that clean the injectors and other fuel sytem parts. You can get a buildup of tarnish in these parts and this can cause slow readings. If this was the case it should improve after a few tank fulls of gas with the cleaners added. The guage could also slowly be going bad. The newer style guages are connected to the fuel pump and you will need to replace the whole unit if this goes out on you. Keep in mid that when the fuel pump quits, it quits, usually without much advance notice. If the car starts sputtering and does not have full power, this will hint at the fuel pump going bad. If your car has over 100,000 miles on it, you might want to think about preparing to change the fuel pump, these seem to want to go out shortly after 100,000 miles, but you can get lucky once in a while and it can last longer. Keeping your tank at least half full with clean gas is a big help, the gas keeps the fuel pump cool so it last longer!

Nov 16, 2010 | Chevrolet Blazer Cars & Trucks

1 Answer

Very high idle at start, slowly idles down after hot. Replaced ICV, sometimes lopes, can shut down, restart, idles right.


change fuel filter. add can of SEAFOAM(parts store) to 1/2 tank of PREMIUM gas. let car idle 3-5 minutes. drive hard at least 10 miles.<p>
you have what I call Ethanol Gas Syndrome. the ethanol gets in your system adds water and turns fuel to brown goop, it also carbonizes valves,injectors, and emission parts.<p>
you might want to change f filter after 500 miles(again). add SF every 3-5000 miles, and this will clean the carbon; fix the gas and fuel system, and dry the water. good luck.

Aug 31, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Gas gauge not working


Defective sending unit in gas gauge.

Jun 30, 2017 | 1983 Mercury Grand Marquis

1 Answer

Gas gauge flys from quarter tank to way past full mark and sticks


This isn't a definite fix, but it may be that the gasoline in your tank is 'sloshing' forwards and backwards and your sensour is getting readings when the gasoline is in different positions in your tank. The connection is actually above your gasoline tank and you'll have to take off the tank harnesses and drop the tank if you want to check to see if the connection became slightly loose, otherwise you can just fill your gas tank and reset your temporary milage gage (that's the little black button near your RPM meter) and remember how many miles you get per tank.

Jan 27, 2009 | 1989 Chevrolet Beretta

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

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