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Intermittent External Temperature Sensor

SleekStreak

Member
Joined
Jul 26, 2006
Messages
16
Location
Western Washington
Corvette
1999 Pewter Roadster
The external temperature indicator on my '99 roadster is intermittent in its readout accuracy. Sometimes, it reads the correct temperature. But just as often, it reads something way out in left field. For example, the outside temperature was actually 81 degF, but the indicator on the car read 49 degF. I suspect a corroded connection down near the sensor, but I am unable to determine exactly where the sensor is. The factory shop manual states it is "in front, near the radiator," but shows no illustration, and I can't seem to see it (or even know what I am looking for!).

Anybody have this type of trouble before? If so, or if you can only direct me to the location of the sensor, I would be grateful.

Thanks!
 

99WhiteC5Coupe

Well-known member
Joined
Jan 19, 2002
Messages
293
Location
Cincinnati, Ohio, USA
Corvette
1999 White Coupe
The sensor is located on the passenger side, underneath the radiator air inlet, attached to the bottom of the shroud with a clip. Lay under the front (I know - not much room) and you will see it. A new sensor from the dealer is about $15.00. Just unplug it and install the new one. Check the connector for corrosion - clean it if it is dirty. A bad sensor can cause the automatic HVAC system to malfunction. Good luck.
 

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