Car Overheats in Traffic but Not on the Highway?

If your car starts overheating in traffic but the temperature drops again once you’re moving, don’t ignore it. That pattern can point to a cooling fan problem, low coolant, restricted airflow, thermostat trouble, a weak water pump, or another cooling-system issue.

Watch for these signs:
- Temperature gauge rising while stopped or in slow traffic
- Engine cooling down once highway speed increases
- Radiator fan not turning on
- Coolant level dropping
- Sweet coolant smell or visible leaks
- Heater blowing cold while the engine is hot
- Steam coming from under the hood
- Overheating warning light

If the gauge reaches the hot zone or steam appears, move to a safe location and stop driving. Do not open the radiator cap while the engine is hot.
Want to understand the causes and what should be checked first? Read the full guide:mobilemechanicut.com/car-overheats-in-traffic-in-utah/
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