Radiator Fan(s) Not Turning On

Tuning discussion for all first generation Mazda RX-8 (2004-2008)
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i0nicx
Posts: 2
Joined: July 15th, 2020, 8:13 am

Radiator Fan(s) Not Turning On

Post by i0nicx »

OEM Tune Changes:
Primary Fan1 190F
Primary Fan2 195F
Secondary Fan 200F
Second Fan Veh Spd 6.213712
Full Temp Idle @ 900
Increase OMP rates

My car has recently been not activating the fan(s) consistently and the water temp quickly reaches 210F. This morning for instance, I was sitting in a parking lot idling, temp went to 216F and the fans were not on. Fans run when A/C is activated.

The entire cooling system was flushed and replaced last year.

Could this be a tune issue?
mituc
VersaTuner guru
Posts: 1324
Joined: December 17th, 2011, 2:47 pm
Location: Iasi/Romania

Re: Radiator Fan(s) Not Turning On

Post by mituc »

i0nicx wrote: July 15th, 2020, 8:27 am Could this be a tune issue?
No.
2008 Cosmic Blue Mazda 3MPS
Built engine + WMI + GTX3071 gen2, ~509BHP @34PSI
2008 Icy Blue Mazda CX7
Stock engine and exhaust (YES!!), JBR3" + GTX2867 gen2 + Autotech HPFP, self-tuned to 330-ish BHP
i0nicx
Posts: 2
Joined: July 15th, 2020, 8:13 am

Re: Radiator Fan(s) Not Turning On

Post by i0nicx »

Temp sensor died today, so that solves the issue.
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