Hello guys. I am writing this post as I have a big favor to ask of you.
Whenever I start the engine in the morning (very cold weather recently), my 2005 RX8 (8,500miles) has irregular emissions and even make donuts at the exhaust muffler (plz see the attached video clips). Now CEL is on (error code: P0301-rotor 1 misfire). But after warming up, idling and exhausting become RELATIVELY stable (still making donuts at the muffler).
I’ve replaced wires, coils, plugs, air filter and even cleaned the MAF sensor. But there is still same issue. FYI, I got the engine compression test two months ago and the result was pretty good (rotor 1 7.1-7.2-7.1 / rotor 2 7.8-7.9-7.8). I have no idea what I should do &( (after driving my RX8 in the US for 6 years, I’ve taken my car to Korea a few months ago. There are no official dealer shops here.).
I plan to replace injectors, crank sensors, and O2 sensor soon, but I need your advice plz!
Whenever I start the engine in the morning (very cold weather recently), my 2005 RX8 (8,500miles) has irregular emissions and even make donuts at the exhaust muffler (plz see the attached video clips). Now CEL is on (error code: P0301-rotor 1 misfire). But after warming up, idling and exhausting become RELATIVELY stable (still making donuts at the muffler).
I’ve replaced wires, coils, plugs, air filter and even cleaned the MAF sensor. But there is still same issue. FYI, I got the engine compression test two months ago and the result was pretty good (rotor 1 7.1-7.2-7.1 / rotor 2 7.8-7.9-7.8). I have no idea what I should do &( (after driving my RX8 in the US for 6 years, I’ve taken my car to Korea a few months ago. There are no official dealer shops here.).
I plan to replace injectors, crank sensors, and O2 sensor soon, but I need your advice plz!
Cold start issues (making donuts at the exhaust mufflers).
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