08-04-2014, 11:24 AM
80-90 degrees then down on the fans was common on mine when stuck in traffic. I wouldn't worry about that on it's own. As long as it doesn't go under 80 or over 90 or so when running normally the thermostat is probably just fine.
Current Car: Lexus CT200h 1.8 138, 2013, 19,500 miles
Previous Car: VW Passat 2.0 TDi 140, 2005, 136,000 miles
Previous Car: Peugeot 306 XLdt (stock!), 150,000 miles (I miss this car )
Previous Car: VW Passat 2.0 TDi 140, 2005, 136,000 miles
Previous Car: Peugeot 306 XLdt (stock!), 150,000 miles (I miss this car )