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9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh gear changesDelayed or rough shifting
A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.
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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.
Diagnostic codes
Showing 577–600 of 1016
P22F3Cylinder 7 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22F4Cylinder 7 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP22F5Cylinder 8 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22F6Cylinder 8 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22F7Cylinder 8 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22F8Cylinder 8 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP230ACylinder 1 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP230BCylinder 2 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP230CCylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP230DCylinder 4 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP230ECylinder 5 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP230FCylinder 6 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP231ACylinder 7 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP231BCylinder 8 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP231CCylinder 9 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP231DCylinder 10 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP231ECylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP231FCylinder 12 Air-Fuel Ratio Imbalance - Adjustment At Limit During BalanceCheck soonFuel System30–120 minutes for initial diagnosisP232BCylinder 11 Fuel Injector A Offset Learning At Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP232CCylinder 11 Fuel Injector A Offset Learning At Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP232DCylinder 12 Fuel Injector A Offset Learning At Min LimitCheck soonFuel System30–120 minutes for initial diagnosisP232ECylinder 12 Fuel Injector A Offset Learning At Max LimitCheck soonFuel System30–120 minutes for initial diagnosisP233AFuel Pressure Regulator C Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP233BFuel Pressure Regulator C Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosis