Why doesn't temp. guage work?

Asked by Milkiman Nov 05, 2013 at 07:38 PM about the 1984 Ford Ranger STD Standard Cab 4WD SB

Question type: Maintenance & Repair

Temp. gauge does not work put new sending unit in , still not working. Ran test light from ground to sending unit wire Test light goes on and off and gauge goes to hot, any solutions?

2 Answers

buySilver answered 3 years ago

it could be an air bubble in the line. An air pocket could be in the heater area or at the sensor unit. Had a radiator coolant flush & refill done recently?

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