Is my water pump going out?
When I sit in line, car wash or road repair, the engine temp increases a lot. The belt tension and fluid level are good and the temp drops when I drop it in neutral and increase the RPM's. Is it the pump?
It could be a few different things but you could start with a thermostat. Either way, definitely take your car in for a checkup the worst thing you can do to an engine, besides running it with no oil, is to run it hot. Once it starts to overheat a little, that is your warning that it is on the way towards overheating a lot. I have seen people who are "too busy" to have a thermostat replaced '($25 part or less and minimal labor) and end up seeing them a month or 2 later with a blown head gasket. Take care of the little problems and you won't have big ones
Just to add it could also be as simple as a coolant temperature sensor (also inexpensive) causing your cooling fan not to turn on. This would explain only heating up when not moving.
Thanks, I'll check into those 2 things, then have my dealer run a diagnostic on it.
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