The problem is that there are so many different ways for an engine to fail: Excessive carbon buildup accelerates seal wear, causing compression loss (particularly a problem in automatic RX-8s) Excessive carbon buildup unseats the seals, causing compression loss (particularly a problem in automatic RX-8s)
Why are Rx8 so unreliable?
No, its not just one part of the engine, its the whole thing, as the Renesis 1.3-liter rotary engine that powers this sports car is known to be a gas-guzzling, unreliable machine. Instead of pistons, the rotary engine uses rotors to operate, and over time, they tend to wear down.
What is wrong with the Rx8 engine?
RX8 Common Issues Hot start problems (signs of poor compression). Growling noise and loss of power (sticking SSV or tune valves). Engine Management Light flashing whilst driving (real time detection of engine misfire). Rattling Exhaust (catalyst damaged with ceramic in rear section of exhaust).
Is Mazda RX-7 street legal?
However, since the third-generation RX-7 was produced in Japan until 2002, some right-hand-drive models can now be imported and driven legally in the U.S. So technically, no, the Mazda RX-7 is not illegal in the U.S., unless youre looking to import one of the last iterations of it.