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Fuel guage problem


bossbob

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Mar 9, 2017
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corona, ca
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1987
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Ford
Transmission
Manual
The fuel gauge isn't working, goes from full to empty, in no time. We recently replaced the fuel pump which comes with the sending unit and no change.

What do I check next, or could it be a bad replacement part.

Thanks,
 


85_Ranger4x4

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SW Iowa
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1985
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It could be a problem with the gauge itself or the wiring between the sender and the gauge.

If the problem didn't change with a new sender it is very probable you have a problem somewhere else.
 

arnoldclan

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Location
Oregon
Vehicle Year
91
Make / Model
Ford Ranger XLT
Transmission
Manual
I drove myself almost to the point of insanity trying to troubleshoot my fuel gauge. Mine is a 91 XLT. Underneath the brake vacuum booster, is a large white plug with about 50 wires, that goes into the cab. The one for the fuel gauge, is yellow with a white stripe, it was too short, and didn't make a good connection with the pin, caused very intermittent reading on the fuel gauge. Added 2 inches of wire.appears all is good so far.
 

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