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Lean code, strange fuel trims, and intermittent rotor 2 misfire
My rx8 has recently been idling rough and I thought it was a vacuum leak but now I'm not so sure. I have replaced my o2 sensor, my MAF sensor, plugs, coils, and I've done a smoke test on the intake and it didn't appear to have any leaks. My long term fuel trim is around 22% and my short term is all over the place. I've tested compression and all rotor faces were in the mid 90s within 3-5 psi of eachother so I don't think that's the issue either. I will attach a graph of my short term fuel trims at idle. any help would be appreciated.
Edit: on second thought this graph looks like a pretty consistent pattern. I still know my long term fuel trim shouldn't be 22%.
Last edited by Dahtemba; 09-04-2021 at 04:17 PM.
Reason: addtl. info.
09-04-2021, 04:16 PM
