Why temperature guage stay on red

Asked by Oct 20, 2013 at 08:28 PM about the 1990 Acura Legend LS

Question type: Maintenance & Repair

My acura warms up for a few minutes then the temperature guage goes to red and stay on red.  My mechanic say the car is not overheating and he think the problem is a bad temperature guage? is he correct or the car has other problems the mechanic overlooked?

1 Answer

59,015

Sounds like the sending unit for the gauge is bad. Probably shorted to ground. I'd replace that first and check the wiring going to it as well. HTH. -Jim

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