Question about 1999 GMC Jimmy

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Where is the sensor that measures gas in the tank?

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Mostly all fuel sending units are in fuel tank!

Posted on Nov 03, 2010

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P0183 fuel temperature sensor signal 'A' high


Year make and model ??
The sensor measures the temp inside the gas tank.

Jan 10, 2013 | Cars & Trucks

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1999 Caddy digital fuel gauge does not give consistant readings. If the measurer in the gas tank is gunky can I put something in the gas tank to clean it? .


no not really it needs replaced bad news is the sender is part of fuel pump price around 200.00 for pump a couple hours to do.

Aug 01, 2012 | 1999 Cadillac DeVille

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Every thing has been checked - new plugs, sensor, pump, injectors all working fine - but the car turns over just won't fire - Could bad gas cause this? - Car was running fine turned off at work came out 8...


I would suspect water in the gas, as the injection treatment wouldn't affect it like this. Take a sample of the gas from the test port on the fuel rail that's on the intake manifold. You should be able to see if there's water in the gas.

Jan 24, 2011 | 1998 Chevrolet Malibu

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I have not had any problems yet but the engine light is on and it came up with the code p0496 what could it be


the p0496 means that the evap system flow during non-purge first check ur gas cap this can cause the check engine code if cap is good and on tight than the usual culprit is either evap purge solenoid and or canister vent solenoid sticking not expensive to replace by self in driveway but before u do check with a dealer in area and advise about code to see if covered should be since its an 08 evap should be covered [dont know mileage and or condition of truck which makes a difference on warranty ]

Jan 11, 2011 | 2008 Chevrolet Trailblazer

1 Answer

Gauge does not work stuck on 1/2 full


Looks like you sending unit that measures the amount of fuel in your gas tank/However this is part of your fuel pump assembly located in your gas tank you will need to remove your gas tank to access it.

Dec 18, 2010 | Chevrolet Silverado Cars & Trucks

1 Answer

What does this code mean?


P0460 Code - Fuel Level Sensor Circuit Malfunction.

I'm not sure what you mean by you mixed gas, does that mean you switched to a different station or octane level? Does the gas gauge still work fine? As long as it works fine you could keep driving for a few more tanks to see if the problem goes away. If you overfill or run the tank too low it can cause issues with the fuel sender.

When the pump clicks off, you're done filling. Though at 175K miles the fuel sender could just have gone bad. If you start to see symptoms then take it into the shop definitely. About the only thing you could do prior to that is if you're comfortable you could use a digital volt ohm meter (DVOM) and measure the sensor readings at the tank (at the electrical connections).

Good luck.

May 11, 2010 | 2000 Ford Focus

2 Answers

Fuel gauge gets to approx 1/8 tank of fuel and runs out of gas. how does the fuel pickup work on this veh, 03 325i. Up to this point, the guage seems to work fine. The milage indicator indicated 75 miles...


Your fuel sending unit in the fuel tank seems to be bad. You need to have it checked out if you are that concerned.
Driving that car on 1/8 th of a fuel tank is not wise. For one,the fuel pump is in the fuel tank and driving with such low fuel can overheat the fuel pump and cause it to sieze up. The reason manufactures starting putting fuel pumps in the tank, s to keep the pump cooler. So more fuel you have in the tank the cooler it will be.
Your fuel milage indictor is just and indicator-- it's not that accurate.
So just keep it topped up.

Mar 23, 2010 | 2003 BMW 325

1 Answer

Can't get fuel into the gas tank. Collapsed filler hose? What are the dimensions of the filler hose? Are they hard to replace? Where can I get some lenght of hose? thx, ColdinWisconsin


take a tape measure and measure th gas tank neck its better 2' hose and cut the excess after you hook it up to the tank and all that holds the hose are hose clamps

Feb 15, 2010 | 1984 Ford Ranger

1 Answer

I have a 1994 dodge ram 1500 slt. and the gas gage will not read the amount of gas in the gas tank and gas light stays on when I know the tank is full. leaving me wondering how much gas i run on sometimes....


The problem is with the sensor inside the gas tank since the method of indication used is by passing an electric current & the resistance to that current is a measure of level of liquid in the tank , i.e. the gauge consists of two parts:
  • The sensing unit
  • The indicator
The sensing unit usually uses a float connected to a potentiometer. As the tank empties, the float drops and slides a moving contact along the resistor, increasing its resistance. In addition, when the resistance is at a certain point, it will also turn on a "low fuel" light on some vehicles.
However if this float gets stuck to the bottom of the tank or a leak fills up the float making it sink to the bottom of the tank, thus always indicating 'E' for empty.........................sodeep

Jun 04, 2009 | 1998 Dodge Ram 2500 2WD

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