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Generation 7 1980-1986 F150, F250, F350

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  #1  
Old 07-10-2019, 11:08 AM
87-250 87-250 is offline
 
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Question Fuel Guage Accuracy

My truck isa carbureted '87 F250 with a 351. I find asking questions on this sub forum easier due to having a carb. So here's my issue... my fuel Guage is not accurate. Tends to show almost full and then randomly drops off to low. I'm lucky I have dual tanks so I'm never stranded. So anyone know how to correct this issue?
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Old 07-10-2019, 01:55 PM
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Sounds like the float in the tank is hanging up.
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Old 07-10-2019, 08:18 PM
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That or the resistor is wearing out or gunked up.
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Old 07-11-2019, 01:14 AM
87-250 87-250 is offline
 
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Tell me more about this resistor. Where is it located, how to check, etc. Please...
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Old 07-11-2019, 06:47 AM
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Resistor is on the hanging arm of the float IN the tank
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Old 07-13-2019, 11:53 AM
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Thanks for the info. I know about that one but thought there was another one. Now do I have to drop the tank to pull it? That could be a bit of work as it is a dual tank.
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Old 07-13-2019, 12:12 PM
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Pull the bed

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