Gas Gauge on 93 Subaru?

My gas gauge go up when I am driving and down when I am idling. It can change by as much as a quarter of a tank. How do I know what is accurate?

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Answers:    That's amazingly typical behavior of gas gauges contained by general. Sorry, there's no such article as an accurate gas gauge. The top partly of your tank is in truth larger than the bottom half, and the height can vary according to which course your car's tilted. It's most accurate when you first turn it on and if you're on level ground, but I recommend that you use your trip odometer instead - it's much more accurate. When I attain a new to me saloon, I fill up at what the gas rate says is 1/2 container and compare that with the trip odometer and what the container will actually hold according to the owner's guide. Of the various cars I've owned (2 compacts, 1 full-size, and 1 12-passenger van), 300 miles on the trip odometer coincided reasonably well next to having simply over 1/8 tank disappeared, time to fill up.

I hold a 2006 malibu ltz the...


The gas contained by the tank is sloshing towards the reverse of the tank when driving and cause the float in the container to go up which cause the gas gauge to do alike. Best measurement is while sitting still. This can be cause by a defective resistor on the gas gauge (dash unit)....we use to replace them from time to time years ago....it's a cheap fragment but labor may be a bit high to do.

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