Fixing a gas gauge first requires finding a wiring diagram to figure out which wires signal the gauge from the sending unit to the gas tank, which usually reveals a faulty sending unit. Find out how to fix a failing gas gauge with tips from an auto repair shop manager in this free video on car maintenance.

Expert: Brent Ferguson
Contact: www,goodneighborautoservice.com
Bio: Brent Ferguson is the manager of Good Neighbor Shell and Auto Service in Nashville, Tenn.
Filmmaker: Dimitri LaBarge

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