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Fuel gauge problems

Put in a new float and also trouble shoot the electrical and is good what might be this problem

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  • Nissan Master
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The sending unit grounds the gauge. So if the sending unit is working and the gauge has power, its probably the gauge.

Posted on Jul 23, 2013


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Posted on Jan 02, 2017

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SOURCE: fuel gauge bouncing on 2000 chevy tahoe where is fuel pump relay

fuel sending unit is in the tank. this is normal after about 75k miles and up. pump and sending unit are sold together. fuel sloshes from front to rear making the float on the sender rise and fall.

Posted on Apr 21, 2009

  • 840 Answers

SOURCE: fuel gauge & speedometer don't register

sounds li602-909-6450 Message
Mechanical Repairs in your area. Diy's, collision repair advice, Mechanical, Technical, insurance, What you should know! How to save money on repairs, recalls, service bulletins, 40-60% off Mechanical repairs in your area. Dentless Repairs in your area. Paint repairs in your area at better rates. Come check it outke anelectrical problem in dash.

Posted on Apr 23, 2009

  • 57 Answers

SOURCE: fuel gauge quit working. stuck on half a tank.

the fuel level sending unit has been incorporated into the fuel pump assembly.
the fuel pump is most likely your problem, these pumps dont like fuel additives so be careful.
most common problem with these fuel gauges is the sending unit, the sender contacts will errode over time fuel additives seem to speed the process.

replace the fuel pump assembly

hope this helps

Posted on Jun 14, 2009

  • 82 Answers

SOURCE: put in new float unit on fuel pump.gas gauge still not working

did you replaced just the float , because if the resistor that messures the level is not good you didn't do any thing you have to change the level sensor next to the pump..,Im sure that;s all the problem, you should also check the wiring next to the pumpand any connector down there

Posted on Aug 02, 2009

  • 389 Answers

SOURCE: NIssan Frontier 2002 car problems

You will probably need a new set of dash clock's. This is a very common problem with Nissan 4X4's. Contact your nissan dealer as Nissan replaced faulty one's because it was so common.

Posted on Aug 26, 2009

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2007 Dakota wont start; fuel gauge reads empty, but I put 5 gallons in it to make sure it wasnt empty. Any ideas?

Does the engine spin (crank ) when you turn the key to the start position ? Did you check for spark ? Spray carburetor cleaner into the engine through the throttle plate , if it has spark an starts with carb cleaner you have a fuel pump problem or electrical . Videos on you tube on no start trouble shooting .

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Fuel level trouble shooting

You need to locate the connector near the fuel tank (wires),
With a test light connected to ground , probe points in the connector.
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The gas gauge don't work

Hello and welcome to FixYa!
As a first course of action, please do check the fuse. If the fuse is blown, the fuel gauge won't work. If that's the case, please replace it.
If the fuse if good then the problem will be on the fuel float itself. The fuel float is located above the fuel tank. You will need to pull down the fuel tank to gain access to the fuel float. Once replaced, the fuel gauge will work normally again.
Hope this helps and thank you for using FixYa! Have a good one!

May 11, 2011 | 1996 Chrysler Town & Country

1 Answer

The gas gauge is not working

All guages work on a float and a potentiometer in the tank. Assuming your guage is working correctly. The problem would be in the float assembly residing inside the fuel tank. I did not have a wiring diagram handy but your local autoparts store will and they also sell the parts to fix the float. Get the wire colors for the float in the tank, with an ohm meter read the resistance of the assmble going into the tank, that would mean disconnecting the cable from the tank to tes it. You can also jump the wires in the harness going to the fuel gauge with a small piece of wire to read zero ohm, observe the guage reading in the dash, if it does not move then keep trouble shooting the circuit up to the dash assembly.
To access the fuel float requires dropping the fuel tank from the vehcile, not terribly complicated but definitely a labor intensive task. An empty tank is easier to work with, raise the vehcile and place it on jack stands, usually just the end with the tank is sufficient, you have to disconnect all the hoses going to the tank, put a jack under the fuel tank, this often requires fabrication of an adaptor ro piece of wood on the jack and a strap to putaround the tank so it will not fall off, remove the tank holding straps, then slowly lower the tank. The access hole will require removing the lock ring, clean all derbis than could fall in the tank, then lift out the assembly, it usually contains the fuel pump and the float assembly all in one. Don't mean to scare you away, the task is lengthy but certianly within the skills of most shade tree mechanics.

Aug 06, 2009 | 1998 Honda Passport

1 Answer

Put in new float unit on fuel pump.gas gauge still not working

did you replaced just the float , because if the resistor that messures the level is not good you didn't do any thing you have to change the level sensor next to the pump..,Im sure that;s all the problem, you should also check the wiring next to the pumpand any connector down there

Aug 02, 2009 | 2000 Dodge Dakota Quad Cab

3 Answers

Fuel gauge bouncing on 2000 chevy tahoe where is fuel pump relay

I had previously replaced the failing fuel pump on my '98 K2500 when it went out entirely. I was ready to replace my 2000 K3500's fuel gauge as it was acting up.
When I started the engine, the gauge would bounce from the middle to way past full then back. It would also jump sporadically while driving on level ground.
I checked the electrical connections at the tank and made sure the frame ground strap located nearby was making good contact. Nothing changed until I removed the instrument panel and cleaned the connections on the back. The fuel gauge seems to be operating correctly now.
There are videos on YouTube that show how to remove the instrument cluster if in doubt. Mine dash has a pop-in plastic bezel followed by 4 screws to hold the cluster in place. It took about a half hour to inspect & clean the dash connection vs. $250 to replace the pump/sending unit combo. Hope this helps.

Apr 21, 2009 | 2001 Chevrolet Tahoe

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