DTC codes / P23xx · Ignition system and misfire / P2341
P2341 indicates that the engine control module has detected an abnormal vibration or noise signature on cylinder number six that exceeds the calibrated knock threshold, suggesting excessive combustion knock or mechanical noise on that specific cylinder. The computer monitors the knock sensor signal and compares the amplitude and timing of vibrations to expected values for each cylinder firing event, flagging cylinder six when its signal consistently exceeds the threshold.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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