Gas Gauge broke

Kboose

New Member
So I just picked up an 85 grand national. Has had some work done and has a dw300 pump installed and some dw 60 injectors and running on e85. The gas gauge when the vehicle is shut off shows a little over half full but once the vehicle is running the gauge shows empty even though there’s gas in it. Filled the tank and it’s still showing the same thing. Any ideas?
 

NY_GN

Planning next secret evil upgrade
So I just picked up an 85 grand national. Has had some work done and has a dw300 pump installed and some dw 60 injectors and running on e85. The gas gauge when the vehicle is shut off shows a little over half full but once the vehicle is running the gauge shows empty even though there’s gas in it. Filled the tank and it’s still showing the same thing. Any ideas?
If it has dw300, then it may have upgraded digital sending unit with different ohms than your analog gauge, which will give you different readings.
 
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