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P0463 Diagnostic Trouble Code Discussion for July 2013

Fuel Level Sensor High Voltage

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Trouble Ticket Help Requests for DTC P0463
Help Request Posted
2002 Chevrolet Impala 3.8L Poor Idle Quality VIN: 2G1WF55K52
P0463: Fuel Level Sensor Circuit High Voltage. ... knowledge base has been great over the years, but nothing in there on this nightmare. Used engine installed, ran fine, had slight knock. Got another engine, installed, very noticeable vibration at idle, vibration slight lack of power even as RPMs increase...
July 28, 2013