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Q: Hello, my 01 Buick Park Avenue's gas gauge jumps around to different readouts... on 2001 Buick Park Avenue

When tank is low, fluctuates more than at higher levels. Thank you!
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likely sender relay failing. its in the gas tank. rec. consider changing pump also if it is original component to the car. labour to pull the tank is not cheap. wouldn't want to do it twice if pump fails shortly after.
Hello, Thank you for your reply. Yes, I'd say you are a 100% correct. I have been doing some research on issue and have been getting the same answer exactly. Going to do Sensor/Relay & Fuel Pump both at same time. Plus, I just found out I need a O2 Thx again for your assistance, Michael
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