Aston Martin DB7, DB9, DBS, Vantage V8, Vanquish, and Classic models

Fuel Gauge messing around.

Old 10-01-2018, 11:18 AM
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Fuel Gauge messing around.

When the tank is full the gauge is fine When the tank gets below 3/4 tank it fall right down to empty.
I add 30 liters and it is fine until it gets to 3/4 tank.
New gauge?

Old 10-01-2018, 01:34 PM
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That problem sounds familiar, but not with an Aston. Fuel gauge problems plagued some Corvettes, mine being one of them. After doing some research I found that Techron fuel additive was a remedy. I no longer have the Corvette, but if I recall correctly the problem was caused by deposits that formed on some contacts in the gas tank. Techron and using very good gas seemed to solve the problem. I think Chevron gas actually has Techron in it. Wishing you the best.
Old 10-01-2018, 03:07 PM
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Check out blog from March 1, 2016 for " That one time my fuel gauge went binary". Rich might have some answers for you.
Old 10-02-2018, 01:34 PM
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Iíve had 3 Vantages and all have quirky fuel gauges
Old 10-09-2018, 04:58 PM
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Sorry to hear this, highly likely its the sensor that is playing about, have you diagnosed it
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