Why is my 98 Sunfire overheating?

Asked by sunn7day Feb 08, 2020 at 11:16 AM about the 1998 Pontiac Sunfire

Question type: Maintenance & Repair

My 1998 Pontiac sunfire is overheating when idling.
We have replaced the fan relay, the water pump, the
thermostat and the coolant sensor. The radiator fan
only turns on when A/C is running. When it over
heats the coolant starts “steaming” out. We cannot
seem to find the problem.

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