Why is my gas gauge only showing 7 / 8?
Why is my gas gauge only showing 7 / 8? Well I just filled up again from empty and I could only get 20 gallons and the gauge still only shows under 7/8 tank. It's actually closer to 3/4 tank. I'm thinking there's something in the tank taking up space because it doesn't matter how slow I pump it, the handle clicks off. How is the voltage of a gas gauge controlled? Some gas gauges are directly controlled by voltage feedback from the sending unit, while others are controlled by the instrument cluster, which itself gets voltage information from the...