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02 Malibu - Fuel gauge going down too quickly

6K views 3 replies 4 participants last post by  Malibu Glow 
#1 ·
I filled up my tank Thursday night, and didn't go anywhere on Saturday. I thought it seemed odd I was down to a little over half a tank, then today on the 9 mile ride home from work, it went from one notch above half to one notch below. What the hell is going on?
 
#3 ·
I wonder if the sending unit in the fuel tank is bad. I know that GM had problems with 99-01 or 02 where too much sulfur in the gas would corode the sensor causing it to have inaccurate readings. Don't know if this is your problem or not.
 
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