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Thread: Bouncing Fuel Gauge
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10-12-2010 #1
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- Jul 2005
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- Marshall , MO
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First guess
bad ground on the sender at the tank?
Brad Shepard
69 Malibu
Marshall, MO
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10-12-2010 #2
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- Feb 2002
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- Bay Area CA
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It's not a ground issue, the gauge just responds instantly to the perceived level of fuel in the tank as it sloshes around. You can, and I have, taken the sender out of the tank and moved the float by hand. The gauge reads just fine and will move as fast or as slow as the float. I know the old stock original gauges used to be buffered with a thick fluid, and now I'm reading about Fords using an "anti-slosh module" in their gauge setups.
-Ian
1973 Formula 400
LS1/T56/3.73's
Daily Driven.
10-14-2010 #3
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I can't be the only guy experiencing this problem. I know some of the high end cars on this site have SW gauges, just deal with it?
-Ian
1973 Formula 400
LS1/T56/3.73's
Daily Driven.
10-15-2010 #4
New to Pro-Touring
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- May 2006
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My Autometer does the same thing. I have been told that resistors could be added to the signal line to slow the reaction to the sloshing fuel.
Does anyone know if this would work?
10-15-2010 #5
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A resistor won't work, it will just change the reading of the gauge up or down. A capacitor from the signal line to ground may work, though I don't know how large you should go or if there are any risks of sparks within the tank at the sending unit...
Does Bad Penny have a cracked out fuel gauge?-Ian
1973 Formula 400
LS1/T56/3.73's
Daily Driven.
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