I have a 2005 Pontiac Sunfire. Last night the radiator fan was still on after that I turned my car off and the next morning the battery was drained. what to do?

Asked by Apr 12, 2015 at 11:09 AM about the 2005 Pontiac Sunfire Base

Question type: Maintenance & Repair

1 Answer

12,750

check the fan relay, but I would suspect a ect or engine coolant temp sensor. it is not unusual for the fan to stay on for a couple minutes after you shut the engine off until the temp reduces. the sensor tells the computer to turn on the fan if it thinks it is to hot.

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