Engine temp bottoms out when on Highway - Saab 9-5 Bulletin Board - Saabnet.com
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Engine temp bottoms out when on Highway
Posted by Robert [Email] (more from Robert) on Tue, 8 Mar 2005 12:33:03
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OK I have a 99 Saab 9-5 SE 2.3L. Recently my temp gauge started flucating from normal to cold so I replaced the sensor, this lear the problem for a few days and then it started again and finally it became constant that once I was on the highway my temp would bottom out and the air from the heater felt cold, like the engine was running cold. This past weekend I removed the old thermostat, which was stuck open and replaced it with a new one, I drove the car around for an hour or so and no problems, temp went into normal range and heater was blowing nice and hot. Well yesterday on my first extended highway driving, the same thing happened, a few minutes after I got up to highway speeds the temp gage dropped to nothing again and the air felt decidedly cool. Any thought and or suggestions on what might be the cause?
Thanks
Robert
posted by 206.180.3...
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