What is wrong with the RX8 engine?

Why is RX8 engine so bad?

Why Do Rx8 Engines Fail? … It was basically an engine that could only last for many owners up to 30,000 miles. Many Mazda owners were experiencing issues such as power loss. So, they would try to fix the issue by changing their spark plugs, but the problem was still there.

Why do RX8 engines not last?

No, it’s not just one part of the engine, it’s 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 the main problem with a rotary engine?

The biggest problem with rotary engines was fuel efficiency. Possibly also durability of the seals? It’s nice not to have reciprocating movement of pistons, but you simply cannot get the high compression ratios with rotaries, nor are the combustion chambers ideally shaped for thermal efficiency.

Do RX-8 have alot of problems?

Problem: The RX-8 has the unique rotary style engine, and this version of the rotary engine has proven to be highly unreliable, particularly after 60,000 miles. Warranty companies say that Mazda have unofficially said that these engines do become unreliable and susceptible to problems at over 60,000 miles.

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How much does it cost to fix a rotary engine?

A proper rebuild, one that goes beyond running (120+ PSI warm compression numbers) will be north of $4000. With upgrades for power and longevity, you can expect to pay $6k. A Mazda remanufactured engine comes with new housings, irons, rotors, seals, etc for as low as $2900.