If the climate control's heat/cold knob is not adjusting to the desired temperature, a new climate control unit may be needed.
Resources for the Repair and Maintenance of your 2009 Mazda RX-8
2009 Mazda RX-8
2009 Mazda RX-8 Problems
Hesitation and/or a lack of power can be caused by the secondary shutter valve (SSV) in the intake manifold becoming stuck open due to carbon build up around the SSV shaft. This may occur with no Check Engine light illumination but eventually the light will illuminate with code P2070 (Secondary Shutter Valve [SSV] stuck open). The cleaning procedure described under the service bulletin is a long process and it is recommended to install the upd...
Some models may have a problem where the Check Engine light illuminates indicating an improperly tightened fuel cap. Due to improperly manufactured threads on the fuel filler pipe, the filler pipe may need to be replaced.
I noticed about 50,000 miles the radiator light would flicker on and off. The engine temperature alwys stayed in the normal region and the radiator was full of fluid. The Mazda repair guy told me that this is accuring in a lot of the RX-8s. There is a plastic waffer on the gauge ball inside the radiator that measures the fluid. When the waffer starts breaking up, the gauge ball starts fluctuating greater sending a signal that the radiator is l...
Be sure to check your owner's manual and use the correct engine oil. Mazda does not recommend using synthetic oil in the RX-8's rotary engine.
2009 Mazda RX-8 Reviews
Great looking and running car. I love using the manual transmission and my fiance' loves using the automatic. All controls are close by and the yellow (!) sign comes on when one of your tires are low on the panel. Gotta Love the speed, look and dual transmission. Aso the traction control is incredible. It already saved the car and my life on ice. God bless the automakers who invented this option.
Very nice improvements over the Series I models. Shifting is still a bit notchy like the previous models and on hot days you really have to crank up the a/c due to the heat of the engine entering the cabin.