What causes Engine cooling Fan to turn on and run constantly as soon as engine is Started?
105

Asked by Flgatorfan Jun 19, 2014 at 04:39 AM about the 2002 Mercedes-Benz SLK 320

Question type: Maintenance & Repair

Even after car has been setting over night or longer, as soon as I start the engine, the Engine Cooling Fan starts running immediately!

3 Answers
144,795

T_S_T answered 10 years ago

Usally this is a sign of something wrong,if engine light is on,go have it checked,if it is not on,check your tempeture sending unit.

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jwells1583 answered 7 years ago

mine did that untill i changed the maf scensor i got one from junk yard for 65 bucks

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