why is the engine fan coming on when the temp. gauge doesn't show that it"s hot ? (1998 Merc. Grand Marquis)

Asked by suziebaxman Nov 04, 2015 at 04:02 PM about the 1998 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

The engine fan has been coming on even though the gauge shows normal temperature. I have noticed recently a smell that makes me think of a hot engine after driving it for awhile.

3 Answers

F_O_R answered 8 years ago

Maybe the fan switch is off or maybe your temperature gauge is. The electric fan will come on to maintain normal operating temperatures. If the car smells hot then perhaps your gauge is off and you may need to flush the radiator and maybe replace the cooling system hoses and thermostat as well.

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F_O_R answered 8 years ago

A bad temperature sending unit can cause a false low reading at the dash gauge. If the car seems hot to you then don't ignore it but address the issue.

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