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Old 09-19-2015, 06:45 AM   #1
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Very slow moving gas guage needle

My 986 has a very slow moving gas guage needle after filling the tank. It will take 5 or more minutes to actually show that the tank is 4/4. Is this normal or do I have some sort of short or low voltage issue going on?

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Old 09-19-2015, 04:13 PM   #2
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My 986 has a very slow moving gas guage needle after filling the tank. It will take 5 or more minutes to actually show that the tank is 4/4. Is this normal or do I have some sort of short or low voltage issue going on?
Mine too, had it for 4 yrs, always been that way.
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Old 09-19-2015, 04:48 PM   #3
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Must be a german thing, unless anyone else can counter that. Danke!
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Old 09-19-2015, 05:55 PM   #4
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Mine shows full immediately after fill up...as soon as I get back in the car and turn the ignition on.
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Old 09-20-2015, 04:01 AM   #5
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Mine shows full immediately after fill up...as soon as I get back in the car and turn the ignition on.
Mine too, although I have had cars that did that. Usually it was older cars that had a sticky float or bad sending unit.

(well, technically it will show the oil gauge first for about a minute, then show the gas gauge on full)
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Old 09-20-2015, 06:50 AM   #6
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Add me to the list of people who's car does not do that. As soon as I turn the key the dial points to just over 4/4.

I have found it quizzical that the gauge drops from full to 3/4s really quick then the rate of drop slows for the next two quarters of the tank.

I always fill up before the light even comes on if not right after, but it worries me that the guage moves quick at both the bottom end and top.
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Old 09-20-2015, 06:58 AM   #7
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Mine shows full immediately after fill up...as soon as I get back in the car and turn the ignition on.
This...........
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Old 09-20-2015, 07:08 AM   #8
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Just use the trip mileage here. Mine only travels from 3/4 to 1/4. Sending unit was replaced by previous owner and don't feel like paying a dealer to calibrate the gauge.
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Old 09-20-2015, 05:00 PM   #9
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My doesn't go up all the way immediately as well. Actually takes about 10 to 15 minutes of driving the car to get the needle up.
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Old 09-24-2015, 02:13 PM   #10
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Anyone know if there is a simple fix? If not, it's not like it is affecting my driving or anything

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