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Fuel Gauge Not Working

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  #1  
Old 01-28-2010, 01:35 PM
seuf seuf is offline
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Default Fuel Gauge Not Working

The fuel gauge in my 95 Dakota is not working. Is there a fuse or relay that I need to check before I tear apart the cluster? Also, can you recommend a good website to get affordable oem replacement parts.
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  #2  
Old 01-28-2010, 01:43 PM
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95_318SLT 95_318SLT is offline
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Fuel gauge doesn't work- A common problem in these trucks are gas gauges that put out erroneous readings. (This problem is common to not just the DakotaClick the image to open in full size., but also the Rams, and many other Dodge vehicles) Some people have had luck with running fuel system cleaner (such as "Chevron Techron"), that might at least help the issue. While doing other fuel tank maintenance, erock92kota discovered that the tabs the unit rode up and down on were messed up, he simply snapped them back in place, and his gauge works again.
Unfortunately, at some point, they integrated the fuel sending unit with the fuel pump, so not all years have a separately serviceable sending unit.
Also, read through faq and faq2 for lots more info and links to the parts sites you need!
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Old 01-28-2010, 02:05 PM
tmacdakota tmacdakota is offline
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You are now a member of the no-fuel-gauge Mopar club...enjoy.
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Old 01-28-2010, 08:35 PM
Big Daddy A Big Daddy A is offline
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there is also a tech bulletin,something to do with the ground wire at the plug around pump,i read it on alldata at work.
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Old 01-29-2010, 12:05 PM
kahanabob kahanabob is offline
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does the low fuel light come on? 99% it is the sending unit, mine is also inop. Pain to replace have to drop the tank. Would not waste time in the dash.
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Old 01-29-2010, 04:08 PM
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WHAT? you guys have a low fuel light?!? I've had my dak for 3 years now and never had a low fuel light and thus never knew that there was one! so if its not burnt out will it light up when I start her just like all of the other lights? (abs, airbag, check engine etc...)
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Old 01-29-2010, 05:27 PM
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Yes it should light up on start up.

Edit: Just checked it does not.
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Old 01-30-2010, 12:12 AM
TheLoBO TheLoBO is offline
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mine works, lol, it shows at 45 miles :_P
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Old 01-31-2010, 01:05 AM
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Quote:
Originally Posted by tmacdakota View Post
You are now a member of the no-fuel-gauge Mopar club...enjoy.
Tell me about it.
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Old 01-31-2010, 02:21 AM
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Howdy folks, Im new here and you might as well add me to the non working gas guage club. Mine works with a full tank, but once I get to a half tank. It quits working all together. Anyone know why?
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Old 01-31-2010, 03:01 AM
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Originally Posted by Az93DKota View Post
Howdy folks, Im new here and you might as well add me to the non working gas guage club. Mine works with a full tank, but once I get to a half tank. It quits working all together. Anyone know why?
At some point, it's normal for these variable output devices (resistors) to stop functioning properly.
It's a faulty sending unit, which is integrated on the fuel pump assembly.

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Old 01-31-2010, 03:03 AM
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Quote:
Originally Posted by dodgerules86 View Post
At some point, it's normal for these variable output devices (resistors) to stop functioning properly.
It's a faulty sending unit, which is integrated on the fuel pump assembly.

Welcome to the club!
TY sir.

I guess I better bust out the syphon and get to work huh?
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Old 01-31-2010, 10:35 AM
tmacdakota tmacdakota is offline
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Two options to overcome the no-fuel-gauge condition, without replacing the pump...I did that and still no-fuel-gauge: Use your trip odometer...fill 'er up and reset the trip odometer...drive until the low-fuel light comes on, note the mileage...continue driving until you can't stand the gamble any more and head for the gas station...fill 'er up, reset the trip odometer and repeat; Simply drive until the low-fuel light comes on, then pull in for gas. Neither is perfect, just have to train yourself to check for the low-fuel light and/or reset the trip odometer when you get gas...or both. I'm getting about 12.8 mpg in town driving with the truck drinking about 16 of its 22 gallons at 220 miles on the trip odometer. On the highway, mileage is about the same if I'm running 70 to 80 mph with the tach over 2K...when I drop it back down to 55 to 65 mph I manage to get almost 17 mpg out my 318/5.2L V-8 with tach at 1800 or slightly less. Not great, but I'll live with it...beats another high-dollar monthly payment for a vehicle that I can't service myself and won't do near the work that my old Dak will do.
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Old 01-31-2010, 03:07 PM
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Quote:
Originally Posted by tmacdakota View Post
Two options to overcome the no-fuel-gauge condition, without replacing the pump...I did that and still no-fuel-gauge: Use your trip odometer...fill 'er up and reset the trip odometer...drive until the low-fuel light comes on, note the mileage...continue driving until you can't stand the gamble any more and head for the gas station...fill 'er up, reset the trip odometer and repeat; Simply drive until the low-fuel light comes on, then pull in for gas. Neither is perfect, just have to train yourself to check for the low-fuel light and/or reset the trip odometer when you get gas...or both. I'm getting about 12.8 mpg in town driving with the truck drinking about 16 of its 22 gallons at 220 miles on the trip odometer. On the highway, mileage is about the same if I'm running 70 to 80 mph with the tach over 2K...when I drop it back down to 55 to 65 mph I manage to get almost 17 mpg out my 318/5.2L V-8 with tach at 1800 or slightly less. Not great, but I'll live with it...beats another high-dollar monthly payment for a vehicle that I can't service myself and won't do near the work that my old Dak will do.
I kinda do the same thing. After awhile, you will train yourself to hopefully fill it up right before you know when the light will come on. I think it's not good for a vehicle to run with a tank that low. Something about it, not sure what it was. I can usually time mine when my light should come on soon and i fill it up then. About 330 mi (give or take) on a 22 gallon tank.
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Old 01-31-2010, 04:11 PM
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Quote:
Originally Posted by tmacdakota View Post
Two options to overcome the no-fuel-gauge condition, without replacing the pump...I did that and still no-fuel-gauge: Use your trip odometer...fill 'er up and reset the trip odometer...drive until the low-fuel light comes on, note the mileage...continue driving until you can't stand the gamble any more and head for the gas station...fill 'er up, reset the trip odometer and repeat; Simply drive until the low-fuel light comes on, then pull in for gas. Neither is perfect, just have to train yourself to check for the low-fuel light and/or reset the trip odometer when you get gas...or both. I'm getting about 12.8 mpg in town driving with the truck drinking about 16 of its 22 gallons at 220 miles on the trip odometer. On the highway, mileage is about the same if I'm running 70 to 80 mph with the tach over 2K...when I drop it back down to 55 to 65 mph I manage to get almost 17 mpg out my 318/5.2L V-8 with tach at 1800 or slightly less. Not great, but I'll live with it...beats another high-dollar monthly payment for a vehicle that I can't service myself and won't do near the work that my old Dak will do.
I could use this method but my wife would be calling me to bring her gas.
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Old 01-31-2010, 04:42 PM
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Yeah, I've decided my light comes on with 4 gallons left in the tank... 18 gallons gone out of the 22. But I also only start using the trip meter after the light comes on, cause average gas milage in my truck greatly varies with my right foot! Sometimes the light comes on around 220 mi, sometimes 250, sometimes 275. But I'm usually safe to assume I have 30-40 miles left when the light comes on!

And true, its not good for the tank to run too low since it uses the gas to cool the pump, but I'd be going to the gas station way to often if I don't let it run low!!!
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Old 01-31-2010, 10:23 PM
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My fuel gauge wasn't working, turned out the arm which has the floater on it, fell off inside the tank. I had to drop the tank and put the floater arm back on. Other option is to lift the bed off the truck to access the pump. Used a drill pump to pump the gas out before dropping the tank. (warning says not to use a drill pump with fuels, oh well). Siphon pumps work too.

One way to test the gauge is to disconnect the wiring harness off the pump. I cant remember exactly but it should either ping the gauge to the Full or Empty. I think it was Full? The pump sending unit works on a resistance style potentiometer if I remember right.

I have my writeup here http://www.dakota-durango.com/forum/...ad.php?t=73372

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Old 02-01-2010, 07:40 PM
seuf seuf is offline
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I failed to mention. I am recieving no reading from the gauge not even a low fuel light. There also appears to be an indicator in the gauge for the fuel door open is this correct. I'm a newby when it comes to Dodges. Not up to date on what options were available.
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Old 02-01-2010, 08:13 PM
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Well there is always the option that the gauge is dead. You may want to take the instrument cluster out and check the connectors and ground connections.

There is no warning light for the fuel door being open.
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Old 02-02-2010, 12:37 PM
micahthorlawson micahthorlawson is offline
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I have the same problem with my 93 dakota, I usually get about 260 miles until my light comes on. It never bothered me too much but now I plan on replaceing the fuel pump, so I plan on lookin in to it and seeing what needs to be done while i got it apart
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Old 02-02-2010, 12:37 PM
 
 
 
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