Tachometer, Fuel Gauge Or Water Temperature Gauge Is Malfunctioning

Possible faulty tachometer, fuel gauge, water temperature gauge, or speedometer. Check corresponding sensor for gauge in question. See COMPONENT TESTS  . Check circuit for gauge in question. See TACHOMETER CIRCUIT CHECK  , FUEL GAUGE CIRCUIT CHECK  or TEMPERATURE GAUGE CIRCUIT CHECK  under DIAGNOSTIC TESTS. Repair as necessary. If no problem is found, replace speedometer (unified meter control unit).