To clear a misfire on cylinder 1, first, diagnose the issue by checking for common causes such as faulty spark plugs, ignition coils, or fuel injectors. Replace or repair any defective components identified during the inspection. Additionally, ensure that the cylinder has proper compression and that there are no vacuum leaks affecting its performance. After addressing the underlying issues, clear any diagnostic trouble codes (DTCs) from the vehicle's computer and test drive to confirm the misfire has been resolved.
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