Toyota MR2 Message Board - View Single Post - 4A-GE MK1 Engine question about side vent

muffinman · 09-04-2009, 10:40 AM

the vent fan has an engine bay sensor and has nothing to do with coolant temp. i have never seen mine come on by itself. if you want to test it just unplug the sensor (big white plug at rear of head ) with the car running and it should kick right on.

09-04-2009, 10:40 AM	#3 (permalink)
muffinman U-P-G-R-A-Y-E-D-D Join Date: Jan 2008 Location: Sunny South Florida Posts: 5,880 Thanks: 53 Thanked 283 Times in 272 Posts Blog Entries: 1 My Google Map iTrader Rating: (2/100% )	the vent fan has an engine bay sensor and has nothing to do with coolant temp. i have never seen mine come on by itself. if you want to test it just unplug the sensor (big white plug at rear of head ) with the car running and it should kick right on.