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DTC codes / P23xx · Ignition system and misfire / P230F

P230FCylinder 6 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance

P230F indicates that the powertrain control module has detected an air-fuel ratio imbalance on cylinder 6 that has reached the adjustment limit during a balance test. The computer monitors crankshaft speed variations during a fuel-cut balance routine and found that cylinder 6 required the maximum allowed fuel correction to match the other cylinders.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaIgnition system and misfire

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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