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 2008 Mazda RX-8
2008 Mazda RX-8
2008 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.
2008 Mazda RX-8 Questions and Answers
Can I check it myself?
2008 Mazda RX-8 Reviews
my car have hesitation by sticky SSV problem.but i connect the valve governer directly to main suction(jumping control solonoids) and the it seemrd to cure the problem. i want to know the side effects by doing so? PLS contace.i m in burma and the repairs are out of reached.please help