2000 buick regal ls. fuel gauge says full until the tank gets below half. then it starts to come down from full mark. Replaced the fuel pump and sending unit twice non fixed the fuel gauge issue ? I was welding on the exhaust a few days before and the gauge worked untill I refueled then the gauge stayed on full ? Any geniuses figure this one out any help will be great ly appreciated. lordtrem@yahoo.com

20

Asked by Aug 12, 2015 at 03:32 PM about the 2000 Buick Regal LS Sedan FWD

Question type: Maintenance & Repair

2000 buick regal ls. fuel gauge says full until the tank gets below half then it starts to come down from full mark. Replaced the fuel pump and sending unit twice non fixed the fuel gauge issue ? I was welding on the exhaust a few days before and the gauge worked untill I refueled then the gauge stayed on full ? Any geniuses figure this one out any help will be great ly appreciated. lordtrem@yahoo.com

1 Answer

80,425

Check for a bad power wire coming from the gas tank to the front of the car. Pay close attention to the wiring close to where you were welding. I bet the wire got burned. HTH. -Jim

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