2001 Sephia has erratic overheating problem. Water is 6 months old. Drive to work is 50 miles. No problems on morning drive but drive home car overheats. Takes 25-30 miles for temp to start rising. By time get home temp gauge is just under max position. Both electric fans are working. Hose has pressure. Coolant circulating. Car has 110,000 miles. Was thinking too much coolant and not enough water. Need ideas and help to solve problem. Live in Dallas and days are in the 100s this time of year. A/C on or off makes no difference. The drive in the morning temp gauge sits right on the normal mark with no movement. On drive home once temp starts the climb above normal temp will climb during driving but comes down at stops.
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Sent from my SPH-M830 using Tapatalk