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Old 08-14-2011, 09:10 PM   #1
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Gas gauge

Anyone have a problem with their gas gauge? Mine works when it wants to and I am not replacing a fuel pump for this. I just get gas every 250 miles but I want a gauge that works. Is there a grounding with a TJ tank?

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Old 08-14-2011, 09:12 PM   #2
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Mine works most of the time, every once in a while it will show empty when I start it, then I shut it off and restart and back to normal. I just live with it

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Old 08-14-2011, 10:04 PM   #3
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mine works but not all that accurate. it'll read 1 thing one second(and seems to stay there for a while) then i'll look at it again and it has dropped 1/8 to 1/4 a tank. i'll fill it and it'll stay full for a long time, then all of a sudden it's 3/4-seems like the lower it gets the more accurate it is and finally did find out my low fuel idiot light works-nice to know.
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Old 08-14-2011, 10:20 PM   #4
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Ya mine will come on at the gas station right after filling up. Just wondering if the pump and sending unit have the same ground. I think it's a grounding problem but I am not dropping the tank to find out it's a bad sending unit and have to change the pump too. If that's the case I'll just keep fueling up at 250 miles
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Old 08-15-2011, 07:22 AM   #5
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There is only one electrical connection to the pump unit so I assume it's the same ground. Since I changed my pump my gauge reads 1/2 when it's empty but I'm not dropping the tank again to try and find out why. Not that it's a really big job, but that stupid plastic nut that holds the pump in is a real pain in the a$$!.
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Old 08-16-2011, 04:41 PM   #6
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Well that means no grounding problem. Anybody got an ideas?
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Old 11-02-2011, 12:15 AM   #7
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Thunder duck,
Were you able to fix your gas gauge? I have the same problem after the dealership replaced the sending unit under a recall.

my gauge reads 1/4 to 1/2 full when it's actually empty

The claim it's not the sending unit, but a wiring problem or a problem with the gauge
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Old 11-02-2011, 12:50 AM   #8
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Quote:
Originally Posted by Skyhawk32 View Post
I am not replacing a fuel pump for this.
You don't have to--the fuel level sending unit can be replaced independently of the fuel pump.
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Old 11-02-2011, 11:55 AM   #9
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I find the Gas Gauge as a nice little conversation piece. When it works right, no conversation. When it doesn't work right, I talk to it and call it many things. I go by mileage on the trip Gauge.
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Old 11-02-2011, 11:56 PM   #10
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There was a recall on my 97, before the recall was done, when the little yellow light came on, you better have a gas station in sight, lol.

After the recall, the light comes on with about 4 gallons left in the tank.

Like another poster above, mine seems to read more accurately when the tank is closer to empty.
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Old 11-03-2011, 10:47 AM   #11
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Quote:
Originally Posted by Dr_Strangelove View Post

After the recall, the light comes on with about 4 gallons left in the tank.

.

yep...tank will only take 15-16 gal after the light comes on.
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Old 11-04-2011, 08:34 AM   #12
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Nope. Mine is still dead nuts empty when it reads 1/2. Just ask my kid how he knows this. One night he got to tell his girlfriend he was out of gas and wasn't lying.

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