Fuel pump relay
you can swap identical relays to see if thats the problem
I have a 2001buick lesaber 3.8 every time I put gas in my car my gas gauge hand goes to full and drop to empty .
What causes the gas gauge to drop to empty and I have a full tank ,it go to full than empty . What's the problem.
Looking for a Used LeSabre in your area?
CarGurus has 11 nationwide LeSabre listings starting at $5,995.
Search Buick LeSabre Questions
Buick LeSabre Experts
Related Models For Sale