gas gauge gone nuts!!!!

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10-22-2014, 03:14 AM

anarchy jeep

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Year: 1999

Model: Cherokee

Engine: 4.0

gas gauge gone nuts!!!!

My gas gauge works when I fill up, but only for a couple minutes, then slowly drops to empty and light goes on even though she's full any ideas, I've got a fairly new fuel pump assembly only like a year old in need of help

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10-22-2014, 07:03 AM

Blown03SVT

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Year: 1996

Model: Cherokee

Engine: 4.0

Naw brother, that's just crappy XJ fuel mileage!! Ha Ha!!

Seriously though, sounds like the float has a crack and may have fuel in it allowing it to sink instead of float.

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10-22-2014, 11:44 AM

anarchy jeep

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Year: 1999

Model: Cherokee

Engine: 4.0

I'm dropping the tank today it should be about empty to investigate the float and resistor....I'll post my results

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10-22-2014, 12:43 PM

anarchy jeep

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Year: 1999

Model: Cherokee

Engine: 4.0

Well I tried taking the gauges apart and cleaning them the fuel gauge did register for a brief moment then did the same funky thing maybe the gauge cluster?

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10-22-2014, 10:14 PM

anarchy jeep

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Year: 1999

Model: Cherokee

Engine: 4.0

Fuel sending unit aka resistor is toast, if anybody encounters this drop your tank and check the fuel sending unit if there's burn marks on it of any sort there's your problem, once again happy happy jeep jeep....braaaaaaappppp

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