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Fuel tank sender question.
Fuel tank sender is OE CR. It's supposed to be GM 0 - 90 ohm sender. Fuel gauge is Autometer Z series, GM 0 - 90 ohm.
With the tank empty I gave it its first 5 gallons, and the gauge read 1/2 full. Driving, the fuel needle bounces all over. With 5 more gallons, the gauge reads full, but still bounces around when the car is driven. When I fill it up, the needle stays pegged on full and doesn't bounce until half the tank is used.
What's going on with the tank sender? The fix?
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