Jimmye212 Posted November 21, 2018 Share Posted November 21, 2018 I have a 2009 Legacy GT that I just finished rebuilding the engine on. One of the upgrades I did was replacing the fuel pump with a DW65c. Upon startup today the car popped a CEL with the code P0463 - Fuel Level Sensor Circuit High Input. The fuel gauge is below E and the gas light is blinking. I am not sure if it matters, but I did also accidentally overfill the gas tank. Is it possible I broke the sensor when changing the fuel pump? I thought I was very careful with it. I was also thinking the float may be stuck, because I do recall it being a bit tight of a fit when tightening down the nuts. I appreciate any help. Thanks, Jimmy Link to comment Share on other sites More sharing options...
VespaGTS Posted November 21, 2018 Share Posted November 21, 2018 I wonder if a connector came loose during install that was overlooked? Link to comment Share on other sites More sharing options...
Jimmye212 Posted November 21, 2018 Author Share Posted November 21, 2018 Thanks for the quick reply. That does sound possible. I already checked and cleaned the connector that goes on top of the pump by the fuel lines but the problem is still there. Unfortunately I’ll have to wait until I burn about half the tank before I can pull the pump housing again to check the other connectors. If I did somehow break the sensor or the float is it easy to replace just those or would I need a new housing? Link to comment Share on other sites More sharing options...
JmP6889928 Posted November 22, 2018 Share Posted November 22, 2018 Did you make sure you have the right plugs on the right terminals? If I recall, you can put either plug on either connector. I would check that first. Link to comment Share on other sites More sharing options...
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