The fans turn on when you switch on the ac but that is all. They wont kick on any other time. The fuses and relays are good i have checked them already. Could it be an ecu issue?

 

I have been using my scanner to watch the temps and it continues to rise unless I have the heat on. and driving with the heat on sort of sucks. I would have done more digging in the forum but I will be driving to Tennessee soon and need to know wether I need to go to the dealer before I go or not.

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What year is your car? I have a 04 and the fans never kick in until it is really hot out like 100+ out even then they really only kick in when stoped, off or AC is running

Edit
Forgot this. You said your watching your temp climb what is it climbing to ?

 

I believe in a stock rx8 the fans open at about 212 degrees. If yours do not open at this point, and the fuses are ok, next thing I would check would be the thermostat.

 

Engine ; troubleshooting, overheating #5

M A Z D A

 

The fans are good to go. Got my temp settings confused. Working on more than one car at a time is what got me. Thanks guys!

 

Check out the $100 thread below. there is an easy fans on low mod I run at the track. Solder one wire, connect it to ground. I also have a MM tune with a lower turn on temp.

 

I will be getting the fan mod from rx8performance.com thanks though.

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